{"title":"PH Testing","description":null,"products":[{"product_id":"advanced-nutrients-ph-up-1l","title":"Advanced Nutrients ph up - 1L","description":"\u003cp\u003eSay goodbye to nutrient lockout and hello to heavier harvests. Our scientists engineered pH-Up with potassium hydroxide and pH-Down with Phosphoric Acid, so you can easily achieve the ideal pH levels for optimal nutrient absorption. We’ve developed these highly stable buffers to give you precise control over your pH, even after dilution or adjustments between reservoir changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecalibrate pH levels with maximum buffers\u003c\/li\u003e\n  \u003cli\u003eHighly concentrated formulas for longer use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNutrient Solutions:\u003c\/strong\u003e Mix a new réservoir weekly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoco:\u003c\/strong\u003e Daily.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOther Substrates:\u003c\/strong\u003e 2-4 times\/week as necessary.Use small amounts when adjusting the nutrient solution to affect the pH level, as required. Use to maintain the optimum pH level of 5.5 to 5.8 for hydroponics and 6.2 to 6.3 for sphagnum moss and plants in containers. For best results, check the pH level daily.\u003cem\u003epH-Up \u0026amp; pH-Down is specially designed for use with diverse hydroponic growing media and all continuous liquid-feed growing systems such as aeroponics, drip irrigation and emitters, NFT, flood and drain, and deep water culture.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e\u003c\/em\u003e \u003cem\u003eAt Advanced Nutrients, we do not use paclobutrazol, daminozide, or any other banned plant growth regulators in our products.\u003c\/em\u003e\u003c\/p\u003e","brand":"Advanced Nutrients","offers":[{"title":"Default Title","offer_id":58446870872367,"sku":"110900","price":28.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/Advanced-Nutrients-pH-Down-pH-Up-1L.png?v=1788991295"},{"product_id":"bluelab®-onepen-with-replaceable-ph-conductivity-ec-temperature-probe","title":"Bluelab® OnePen - With replaceable pH, Conductivity (EC) \u0026 Temperature Probe","description":"\u003cp\u003e Bluelab OnePen one click data capture record, store, categorize and share your measurements in on easy to use app. Unlock the full potential of data with the OnePen. Superior Durability and easy maintenance double-junction pH probe, titanium electrodes, and an IP68 dust and waterproof rating deliver durability, while the replaceable probe and heath indicator simplify maintenance for long lasting performance \u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58446920384815,"sku":"113924","price":249.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/43e8650aBLBPENONE.jpg?v=1788993939"},{"product_id":"bluelab-guardian-monitor","title":"Bluelab Guardian Monitor","description":"\u003cp\u003eAdjustable brightness display. Large easy-to-read, plant-safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for both high and low settings. Settings retained when power lost (non-volatile memory). Temperature compensation. An international power supply. Water-resistant design. 2 year Bluelab Guarantee (6 months on probe).\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58446920417583,"sku":"400000020686","price":459.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716336-01.jpg?v=1788993943"},{"product_id":"bluelab-probe-care-ph-conductivity-kit","title":"Bluelab Probe Care pH \u0026 Conductivity Kit","description":"Everything you need to clean, hydrate and calibrate pH probes as well as clean and test conductivity (ppm\/EC) probes. The instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth. Includes instructions, 20 ml single-use Bluelab Solution Sachets, 2 each of: pH 7.0 \u0026amp; pH 4.0, KCl, 2.77 EC, 3x plastic cups, pH Probe Cleaner, Conductivity Probe Cleaner, Toothbrush and Chamois.","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58446927626543,"sku":"400000012902","price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716448-01.jpg?v=1788994876"},{"product_id":"bluelab-ph-pen","title":"Bluelab pH Pen","description":"\u003cp\u003eMeasures pH and temperature. Selectable units for ¬∞C and ¬∞F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function. Automatic temperature compensation. Along with Bluelab pH Probe KCI Solution, Bluelab pH 7 and Bluelab pH 4 Solution Sachets are now included. Range: 0.0‚Äì14.0 pH\/0‚Äì50¬∞C\/32¬∞‚Äì122¬∞F. Resolution: 0.1 pH\/1¬∞C\/1¬∞F. Accuracy @ 25¬∞C: ¬±0.1 pH. Battery type: 1 x AAA alkaline.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58446936768815,"sku":"400000012346","price":99.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716480-01.jpg?v=1788995773"},{"product_id":"bluelab®-combo-meter-ph-replacement-probe-guardian","title":"Bluelab® Combo Meter pH Replacement Probe - Guardian","description":"\u003cp\u003eAdjustable brightness display. Large easy-to-read, plant-safe green LED displays. Selectable values for conductivity and temperature. Simple push button pH calibration system. No calibration required for conductivity and temperature. Silent alarm for both high and low settings. Settings retained when power lost (non-volatile memory). Temperature compensation. An international power supply. Water-resistant design. 2 year Bluelab Guarantee (6 months on probe).\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58446956888367,"sku":"400000025278","price":90.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716445-01.jpg?v=1788996653"},{"product_id":"milwaukee-ph600aq-digital-ph-pen","title":"Milwaukee pH600AQ Digital pH Pen","description":"\u003cp\u003eThe Milwaukee pH600AQ compact pen tester is specifically designed to help maintain aquariums and aquaculture. Keeping the proper pH improves results for aquarium fish and quality in a range of fish raised in aqulculture.Use digital accuracy to keep pH in your target range for better results.\u003cbr\u003eWHAT PEOPLE ARE SAYING\u003cbr\u003e\"Accurate results and calibrated right out of the box.\"\"Must have for any aquarium owner.\"\"Good value. Easy to use. Consistent.\"\u003cbr\u003eDESIGN FEATURES\u003cbr\u003eFast, accurate results with digital LCD readout\u003cbr\u003eEasy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize\u003cbr\u003eSimple one-point calibration with an easy-to-use trimmer located on the back of the pH tester to protect from accidental splashes\u003cbr\u003eCap to protect the pH sensor and keep it wet when stored upright\u003cbr\u003eLow power demand for extended battery life (batteries included)\u003cbr\u003eUSE AND CARE\u003cbr\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code PH-Main at checkout time!¬† This will be needed to help clean and condition the pH electrode before use!Here are our top four tips.¬†1. Always store upright with the cap full of buffer or storage solution MA9015 not water.2. Clean your pH Pen Tester regularly by soaking in cleaning solution MA9016.3. Calibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.4. Gently stir the Pen in the sample for a faster result. Thank you for considering Milwaukee to help you take your results to the next level.\u003c\/p\u003e\u003cp\u003eSPECIFICATIONS\u003cbr\u003epH range: 0.0 to 14.0 pH\u003cbr\u003eResolution: 0.1 pH\u003cbr\u003eAccuracy: +\/- 0.1 pH\u003cbr\u003eTypical EMC Deviation: +\/- 0.2 pH\u003cbr\u003eCalibration: Manual, 1 Point\u003cbr\u003eEnvironment: 32 F to 122 F, 95% RH\u003cbr\u003eApproximate dimensions: 6 x 1.2 x 0.95 inches\u003cbr\u003eWeight: 3 ounce\u003cbr\u003eBattery Life: 700 hours\u003cbr\u003eWarranty: 1 year\u003c\/p\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":58447079604527,"sku":"107641","price":35.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/e9cadcf6107641.jpg?v=1788999396"},{"product_id":"milwaukee-waterproof-ph-tester-ph54","title":"Milwaukee Waterproof pH Tester PH54","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":58447977185583,"sku":"115686","price":50.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/7b55079eMilwaukee-pH54-Waterproof-pH-Tester-with-Replaceable-Probe_68b0ec73-fdec-4ce8-afdd-12d6d7d0956f.05a1eef323acd11cef386933f99e5428.avif?v=1789009241"},{"product_id":"milwaukee-ma9020-orp-200-275-mv-solution-230ml","title":"Milwaukee MA9020 ORP 200-275 mV Solution - 230ml","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMA9020 is a lab grade ORP 200-275 mV solution certified to meet the range. 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The highly responsive sensor probe utilizes a lithium glass membrane to instantly determine pH readings with highly precise ±0.1 accuracy. This pH pen tester for water features an IP-67 rating, specially sealed to withstand moisture and heat, as well as block out intrusive dust and sand. For further protection, the hydroponic pH meter is built with a sensor shield to safeguard your probe in between uses. The included 4.00 pH and 7.00 pH calibration solutions ensure consistently accurate measurements, the former also supporting proper storage conditions to help extend the lifespan of the pH and PPM meter.\u003c\/p\u003e\n\u003ch3\u003eAPPLICATIONS\u003c\/h3\u003e\n\u003cp\u003eThis fast-acting nutrient test alkalinity meter will help you determine how well your water uptakes nutrients. Fit for use as a pH meter for plants in horticultural settings like gardens, grow tents, greenhouses, and hydroponics systems. In addition, its application spans far beyond plant growing, capable of being a general pH level tester for water used in swimming pools, spas, aquarium fish tanks, and beverage homebrewing applications to help determine water safety.\u003c\/p\u003e","brand":"AC Infinity","offers":[{"title":"Default Title","offer_id":58449003643183,"sku":"112413","price":59.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/6702390dStorePhoto1__39156.jpg?v=1789033575"},{"product_id":"luster-leaf®-rapitest®-soil-test-kit-40ct-tests-included-10-ph-10-nitrogen-10-phosphorus-10-potash","title":"Luster Leaf® Rapitest® Soil Test Kit - 40ct - Tests Included : (10) pH, (10) Nitrogen, (10) Phosphorus \u0026 (10) Potash","description":"\u003cp\u003e Determining whether your soil pH needs adjusting or if Nitrogen, phosphorus, and potash should be added in the form of fertilizers. Easy to use, just mix soil and water together, pour off solution into comparator, pour in the powder from the capsule, shake and compare to color chart. \u003c\/p\u003e","brand":"Luster Leaf","offers":[{"title":"Default Title","offer_id":58449128063279,"sku":"113166","price":23.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/adb11a45505370_20_281_29.jpg?v=1789040760"},{"product_id":"luster-leaf®-rapitest®-ph-soil-tester-contains-10-ph-tests","title":"Luster Leaf® Rapitest® pH Soil Tester - Contains 10 pH Tests","description":"\u003cp\u003e Ideal test to determine soil acidity\/alkalinity. Particularly valuable for adjusting soil conditions for Better-Growing lawns, shrubs, evergreens, and plants. Just mix soil and water, pour off solution into comparator, add tablet, shake, and compare to color chart. It's just that easy. \u003c\/p\u003e","brand":"Luster Leaf","offers":[{"title":"Default Title","offer_id":58449241407791,"sku":"112917","price":8.59,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/666bb267505380.jpg?v=1789045277"},{"product_id":"hm-digital-ph-200-waterproof-ph-meter","title":"HM Digital PH-200 Waterproof pH Meter","description":"\u003cp\u003eMeasures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in a clear cap. Measurement range: 0-14 pH with a waterproof housing. Digital automatic calibration (one point), with digital fine tuning. Auto-off, data-hold functions and low battery indicator. Display: large and easy-to-read LCD screen includes simultaneous temperature reading. Factory calibrated with three-point calibration to 4, 7 and 10 pH. The meter can be recalibrated with digital calibration using the push buttons, no screwdriver needed. Includes a cap, batteries, lanyard and pH 7.0 buffer.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":58449909743919,"sku":"400000019475","price":97.24,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716165-01.jpg?v=1789070468"},{"product_id":"luster-leaf-mini-soil-ph-tester","title":"Luster Leaf Mini Soil pH Tester","description":"\u003cp\u003e\u003cstrong\u003eLuster Leaf Mini Soil pH Tester\u003c\/strong\u003e\u003c\/p\u003e","brand":"Luster Leaf","offers":[{"title":"Default Title","offer_id":58449909776687,"sku":"400000032948","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/2b3aa96380140050.jpg?v=1789070472"},{"product_id":"bluelab-leap-ph-probe-probe-only","title":"Bluelab Leap pH Probe (Probe Only)","description":"\u003cp\u003eThe perfect, portable way to accurately measure and monitor pH levels in a wide range of media. We have combined the Bluelab¬¨√Ü Multimedia pH Meter and Bluelab¬¨√Ü Leap‚Äö√묢 pH Probe to take fast, accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix and many other media types. Calibration is simple with one push button on the meter and fresh Bluelab¬¨√Ü Calibration Solutions. Successful calibration indicator is displayed on screen for 30 days to indicate when re-calibration is required. The Bluelab¬¨√Ü Leap‚Äö√묢 pH Probe is suitable for use with all Bluelab¬¨√Ü products that use a BNC connection. Team with the Bluelab¬¨√Ü Solutions and the convenient Bluelab¬¨√Ü Carry Case (#716440). 2 m \/ 6.6 ft standard cable included.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58449955782959,"sku":"400000037646","price":123.07,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716446-01.jpg?v=1789071374"},{"product_id":"bluelab-ph-controller","title":"Bluelab pH Controller","description":"\u003cp\u003eHands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it and forget. The pH is taken care of. For use with reservoirs up to 200 US gal\/760 L. Plant-safe green backlit LCD with adjustable brightness and large, easy-to-read display. Easy to navigate menu to program, adjust settings and calibrate by a simple push of a button. Flashing high\/low alarm with control lockouts to protect from over-dosing. Auto resume dosing on restart after power loss. Includes: water-resistant, wall mount housing, 13 ft acid\/alkali resistant dosing tube, international power supply, replaceable double junction pH probe and temperature probe (for pH ATC). Use with undiluted Bluelab pH Up or Down. 6 month guarantee for Bluelab pH Probe.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58450137252143,"sku":"400000034201","price":666.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716342-01.jpg?v=1789073187"},{"product_id":"bluelab-multimedia-ph-meter-with-leap-ph-probe","title":"Bluelab Multimedia pH Meter with Leap pH Probe","description":"\u003cp\u003eThe perfect, portable way to accurately measure and monitor pH levels in a wide range of media. We have combined the Bluelab Multimedia pH Meter and Bluelab Leap pH Probe to take fast, accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix and many other media types. Calibration is simple with one push button on the meter and fresh Bluelab Calibration Solutions. Successful calibration indicator is displayed on screen for 30 days to indicate when re-calibration is required. The Bluelab Leap pH Probe is suitable for use with all Bluelab products that use a BNC connection. Team with the Bluelab Solutions and the convenient Bluelab Carry Case (#716440). 2 m \/ 6.6 ft standard cable included.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58450527355183,"sku":"400000034218","price":266.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716443-01.jpg?v=1789074941"},{"product_id":"hm-digital-ph80-ph-temperature-meter","title":"HM Digital PH80 pH\/Temperature Meter","description":"\u003cp\u003eResolution: pH 0.1 pH, 0.00‚Äì14.0 pH. Accurate to +\/-0.1 pH. Hold button and auto shut-off. Automatic calibration: Auto-ranging to 4, 7 or 10 pH. Very reliable and long lasting. Low battery indicator. Clear cap to notice moisture (or lack of) on probe. Glass encased reference electrode helps retain moisture. Batteries included.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":58452754465071,"sku":"400000012339","price":44.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/1f8a28ec400000012339.jpg?v=1789118197"},{"product_id":"luster-leaf®-rapitest®-soil-ph-tester-test-ph-levels","title":"Luster Leaf® Rapitest® Soil pH Tester - Test pH levels","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Luster Leaf Products Inc","offers":[{"title":"Default Title","offer_id":58454576824623,"sku":"112919","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/95bd0bc6505012.jpg?v=1789161384"},{"product_id":"luster-leaf®-rapitest®-soil-ph-meter","title":"Luster Leaf® Rapitest® Soil pH Meter","description":"\u003cp\u003e Checks which plants suit your soil pH and tells you how to alter soil. A pH performance guide for more than 350 plants is included. Ideal for potted indoor and outdoor plants. Simple readout. \u003c\/p\u003e","brand":"Luster Leaf Products Inc","offers":[{"title":"Default Title","offer_id":58454807773487,"sku":"113165","price":27.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/23bb1fb9505040.jpg?v=1789165848"},{"product_id":"luster-leaf-rapitest-ph-moisture-tester","title":"Luster Leaf Rapitest Ph Moisture Tester","description":"\u003cp\u003e Signals soil moisture level. Indicates soil acidity\/alkalinity. Includes watering needs for many plants. No batteries required. \u003c\/p\u003e","brand":"Luster Leaf Products Inc","offers":[{"title":"Default Title","offer_id":58454808461615,"sku":"113163","price":13.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/3fe318ecLUS18176.jpg?v=1789165874"},{"product_id":"luster-leaf-rapitest-ph-test","title":"Luster Leaf Rapitest pH Test","description":"\u003cp\u003e\u003cstrong\u003eLuster Leaf Rapitest pH Test\u003c\/strong\u003e\u003c\/p\u003e","brand":"Luster Leaf","offers":[{"title":"Default Title","offer_id":58455154098479,"sku":"108519","price":21.29,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/503f100d80140011_f81422d1-0257-43f9-be72-798b336b4173.jpg?v=1789176672"},{"product_id":"luster-leaf-digital-soil-ph-meter","title":"Luster Leaf Digital Soil pH Meter","description":"\u003cp\u003eDigital results from 3.5 to 9.0. Instructions and plant pH preference list included.\u003c\/p\u003e","brand":"Luster Leaf","offers":[{"title":"Default Title","offer_id":58455154262319,"sku":"400000032924","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/LL01845_1.jpg?v=1789176680"},{"product_id":"ac-infinity-hydroponic-meter-pro-kit-all-in-one-ph-pen-interchangeable-probe","title":"AC Infinity Hydroponic Meter PRO Kit, All-in-One pH Pen, Interchangeable Probe","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHydroponic pH reader for water quality assessment to help monitor and maintain proper solution levels.\u003c\/li\u003e\n  \u003cli\u003eMeasures acidity, alkalinity, EC, TDS, temp, and salinity of water for gardens, aquariums, pools, and more.\u003c\/li\u003e\n  \u003cli\u003eReplaceable sensor probe with sensitive glass membrane delivers instant pH readings with pinpoint accuracy.\u003c\/li\u003e\n  \u003cli\u003eIP-67 rated to be sealed from high-volume moisture, dust, and sand; can also withstand high levels of heat.\u003c\/li\u003e\n  \u003cli\u003eIncludes KCL, 4.00 \u0026amp; 7.00 solutions with 12.88 mS \u0026amp; 1413 µS solutions for lab-grade precision.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AC Infinity","offers":[{"title":"Default Title","offer_id":58455174414639,"sku":"113323","price":159.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/fe7cddfaStorePhoto1__15195.jpg?v=1789177537"},{"product_id":"hanna-general-purpose-cleaning-solution-230ml","title":"Hanna General-Purpose Cleaning Solution - 230ml","description":"\u003cp\u003e HI7061M is a general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna's® cleaning solutions eliminate impurities and residues that are left on electrode surfaces when immersed in samples during measurement or when stored incorrectly. Hanna suggests cleaning the bulb and junction of your electrode on a regular basis to ensure that the probe is always clean and to prevent any clogging of the junction. \u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":58455585161519,"sku":"114186","price":26.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/82248e62C10095.jpg?v=1789184775"},{"product_id":"hanna-electrode-storage-solution-500ml","title":"Hanna Electrode Storage Solution - 500ml","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":58455659446575,"sku":"114283","price":31.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/805dcf4034-0805.jpg?v=1789186577"},{"product_id":"bluelab-probe-care-kit-ph","title":"Bluelab Probe Care Kit - pH","description":"\u003cp\u003eEverything you need to clean, hydrate and calibrate pH probes. Probe cleaning and correctly storing pH probes ensures you get the most accurate readings possible and will maximize the life of a probe. The probe surface is where the instrument takes the reading of the solution or soil\/media. If the probe face is dirty or contaminated, the readings may be inaccurate. pH probes specifically should be kept wet at all times for optimal performance and life.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58455730618671,"sku":"400000026954","price":25.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716053-01.jpg?v=1789188392"},{"product_id":"milwaukee-mw100-pro-ph-meter","title":"Milwaukee MW100 PRO pH Meter","description":"\u003cp\u003eThe Milwaukee MW100 PRO pH meter features manual calibration and fast operation in a rugged design.The Milwaukee MW100 PRO pH Meter is ideal for users in pools, and hydroponic applications. This meter is also ideal for educators that want their students to learn the basics of pH meter calibration before going fully automatic.The Milwaukee PRO pH meter offers:\u003cbr\u003eSPEED\u003cbr\u003eThe MW100 delivers fast results to ¬±0.2 pH accuracy with two-point, manual calibration.\u003cbr\u003eTOUGHNESS\u003cbr\u003eThis rugged meter is designed to take knocks. Paired with the low maintenance, lab grade SE220 double junction, gel filled, epoxy electrode, the MW100 is ideal for everyone from educators and pool professionals to hydroponics growers.\u003cbr\u003eDESIGN FEATURES\u003cbr\u003eFast easy to read results with large digital LCD readout.\u003cbr\u003eAccurate to ¬±0.2 pH with a 0.0-14.0 pH range.\u003cbr\u003eLightweight, ergonomic and portable.\u003cbr\u003eEasy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize\u003cbr\u003eSimple manual two-point calibration for increased accuracy.\u003cbr\u003eGel-filled, double junction lab grade pH electrode for low maintenance and high performance with a screw on cap to ensure proper storage (SE220 probe included).\u003cbr\u003e3 feet probe cables for extra flexibility when testing.\u003cbr\u003eLow battery indicator.\u003cbr\u003eBattery life of approx. 300 hours of continuous use. (battery included)\u003cbr\u003eUSE AND CARE¬†\u003cbr\u003epH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems are the glass sensing bulb and the reference junction.\u003cbr\u003eSENSING BULB\u003cbr\u003eThe glass bulb loses sensitivity with use and will eventually fail. This is true of all pH probes.\u003cbr\u003eREFERENCE JUNCTION\u003cbr\u003eThe reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and reference. If the junction hole gets clogged, the pH probe will no longer function.You can extend the life of your pH electrode in the following ways.\u003cbr\u003eCLEANING AND STORAGE\u003cbr\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code PH-Main at checkout time!¬† This will be needed to help clean and condition the pH electrode before use!\u003cbr\u003eSTORAGE\u003cbr\u003eThe pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged.Storing in pH probe storage solution MA9015 or pH calibration buffers will help address both these issues. Do not store in tap water and DI water. This will damage the sensitivity of the probe.The best way to store the probe is with the probe's cap filled with storage solution or calibration buffer and the cap tightened to prevent leakage. It is also recommended that to store the electrode upright to further reduce the potential for leakage.\u003cbr\u003eCLEANING\u003cbr\u003eResidue from the sample can impact the sensitivity of the sensing bulb and clog the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking your electrode in cleaning solution MA9016.\u003cbr\u003eCALIBRATION\u003cbr\u003eThe pH sensing bulbs become less sensitive over time so make sure that you are calibrating reguarly to keep your PRO pH meter accurate. Also, calibrate after cleaning or a long period of storage.\u003cbr\u003eSPECIFICATIONS\u003cbr\u003epH Range: 0.0 to 14.0 pH\u003cbr\u003epH Resolution: 0.1 pH\u003cbr\u003epH Accuracy: ¬±0.2 pH\u003cbr\u003eCalibration: Manual, 2-point\u003cbr\u003epH Electrode: SE220 with 3 foot cable (included)\u003cbr\u003eEnvironment: 0 to 50¬∞C \/ 32 to 122¬∞F; max RH 95%\u003cbr\u003eBattery Type: 1 x 9V (included)\u003cbr\u003eBattery Life: Approx. 300 hours of continuous use\u003cbr\u003eMeter Dimensions: 5.7 x 3.1 x 1.6 inches (145 x 80 x 40 mm)\u003cbr\u003eMeter Weight: 0.5 lbs. (with battery) (0.22 kg)\u003cbr\u003ePackaged Dimensions: 8.35 x 5.71 x 2.64 inches (212 x 145 x 67 mm)\u003cbr\u003ePackaged Weight: 0.97 lbs. (0.49 kg)\u003c\/p\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":58455880073519,"sku":"107639","price":152.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/a9dbca21107639.jpg?v=1789191976"},{"product_id":"milwaukee-mc110-pro-ph-monitor-mid-range","title":"Milwaukee MC110 PRO pH Monitor Mid Range","description":"\u003cp\u003eThe Milwaukee MC110 PRO Mid Range pH monitor offer lab grade accuracy with an easily viewable continuous check on pH levels with alarms.\u003cbr\u003eDESIGN FEATURES\u003cbr\u003eFast easy to read results with large digital LCD readout.\u003cbr\u003eAccuracy to ¬± 0.2 pH with a full 0 pH to 14 pH range.\u003cbr\u003eSet point range of 3.5 to 7.5 pH with visual alarm activated when reading is higher or lower than set point.\u003cbr\u003eComes with full mounting kit including probe holders.\u003cbr\u003eLab grade probe included with a double junction, gel filled design for low maintenance.¬†\u003cbr\u003eStarter Calibration 1 x 20 mL solution M10007B (7.01 pH).\u003cbr\u003eMILWAUKEE PRO PH PROBE CARE¬†\u003cbr\u003epH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems are the glass sensing bulb and the reference junction.\u003cbr\u003eSENSING BULB\u003cbr\u003eThe glass bulb loses sensitivity with use and will eventually fail. This is true of all pH probes.\u003cbr\u003eREFERENCE JUNCTION\u003cbr\u003eThe reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and reference. If the junction hole gets clogged, the pH pen will no longer function.You can extend the life of your pH electrode in the following ways.\u003cbr\u003eSTORAGE\u003cbr\u003eThe pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged.Storing in pH probe storage solution or pH calibration buffers will help address both these issues.Do not store in tap water and DI water. This will damage the sensitivity of the probe.This best way to store the probe is with the probe's cap filled with storage solution or calibration buffer and the cap tightened to prevent leakage. It is also recommended that to store the electrode upright to further reduce the potential for leakage.\u003cbr\u003eCLEANING\u003cbr\u003eResidue from the sample can impact the sensitivity of the sensing bulb and block the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking the probe in cleaning solution.\u003cbr\u003eCALIBRATION\u003cbr\u003eThe pH sensing bulbs become less sensitive over time so make sure that you are calibrating reguarly to keep your PRO pH meter accurate. Also, calibrate after cleaning or a long period of storage.\u003c\/p\u003e\u003cp\u003eSPECIFICATION\u003cbr\u003epH Range: 0.0 - 14.0 pH\u003cbr\u003epH Resolution: 0.1 pH\u003cbr\u003epH Accuracy: ¬± 0.2 pH\u003cbr\u003eCalibration: Manual 2 points\u003cbr\u003eSetpoint range: 3.5 to 7.5 pH\u003cbr\u003eAlarm Active: when reading is higher or lower than set point\u003cbr\u003epH Electrode: MA911B\/2 (included)\u003c\/p\u003e","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":58455880499503,"sku":"107644","price":134.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/56a68b7a107644.jpg?v=1789191984"},{"product_id":"milwaukee-ph55-pro-waterproof-ph-temperature-tester-with-atc-replaceable-probe","title":"Milwaukee PH55 PRO Waterproof pH \u0026 Temperature Tester with ATC \u0026 Replaceable Probe","description":"The Milwaukee Waterproof pH55 PRO pH\/Temp. Tester is one of our most accurate cost effective, well rounded, rugged and reliable testers in the market featuring dual level LCD readouts, easily replaceable probe and extended pH ranges to meet almost any application. It's simple 1 or 2 point automatic calibration is simple-to-use and offers TWO sets of memorized buffers to select.¬† Ideal for use in aquariums, hydroponics, horticulture, education, pools, beer and many other applications.The Milwaukee Waterproof pH55 pH\/temp. tester offers:\nACCURACY\nThe Waterproof pH55 PRO tester is accurate to ¬±0.1 pH \u0026amp; +\/-0.5¬∞C (+\/-1¬∞F) and is easy to read.With easy 2 point automatic calibration, this pH tester is quickly calibrated to an accuracy of much more expensive meters.¬† Simple design and rugged, it brings great value for any application.¬† Why guess at your readings using litmus paper when you can have guaranteed accurate, digital LCD results.\nLONG LIFE\nThe tester comes with a replaceable pH probe with a double junction probe designed for longer life.\nFAST RESPONSE\nThe probe is double junction allowing quick, accurate pH readings and respose times.\nWATERPROOF CONSTRUCTION\nNo more worries about dropping your tester while measuring. The pH55 PRO is waterproof to IP65.\nLIGHT WEIGHT\nAt just 3.5 ounces, the pH55 PRO is easy to handle at up to half the weight of other testers.\nEASE-OF-USE\nA large Dual Level LCD screen with easy-to-read graphic symbols, makes it easy while calibrating or reading your measurement.¬† This takes the¬† takes the guess work out of litmus paper.\nDESIGN FEATURES\n\n  Fast easy to read results with large digital LCD readout.\n  Extreme pH accuracy to ¬†¬±0.1 pH with an extended pH range (-2.0 pH to 16.0 pH).\n  Resolution to 0.1 pH.\n  Lightweight and portable.\n  Easy measurement: just place the probe in the sample, gently stir, wait for the stability indication to show a stable reading and then freeze the reading.\n  Is fully compensated for temperature (ATC).\n  Simple Automatic one or two-point calibration.\n  2 Sets of pre-memorized buffers.\n  Gel-filled, double junction pH electrode for low maintenance and high performance.\n  Over 300 hours of battery life (batteries included).\n  Fully waterproof to IP65.\n  Replaceable pH electrode Mi56P.\n\nCARE AND USE\nAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maitenance Kit code PH-Main at checkout time!¬† This will be needed to help clean and condition the pH electrode before use!Here are our top four tips.\n1. Always store with the cap full of buffer or storage solution MA9015 not water.\n2. Clean your Tester regularly by soaking in cleaning solution MA9016.\n3. Calibrate after cleaning and\/or storage before testing to adjust for changes in the pH sensor.\n4. Gently stir the Tester in the sample for a faster result.\n\nSPECIFICATIONS\n\n  pH Range: -2.0 to 16.0 pH\n  Temperature Range: -5.0 to 60.0¬∞C (23 to 140¬∞F)\n  pH Resolution: 0.1 pH\n  pH Accuracy: ¬±0.1 pH\n  Temperature Accuracy: ¬±0.5¬∞C (¬±1¬∞F)\n  Typical EMC Deviation: ¬±0.1\n  Typical EMC Temperature Deviation: ¬±0.3¬∞C (¬±0.6¬∞F)\n  Temperature Compensation: Automatic from -5 to 60¬∞C (23 to 140¬∞F)\n  Calibration Automatic: 1 or 2 points with 2 sets of pre-memorized buffers (pH 4.01, 7.01, 10.01) or (pH 4.01, 6.86, 9.18)\n  Probe: Replaceable double junction for extended life (Mi56P)\n  Environment: -5 to 50¬∞C \/ 23 to 122¬∞F; max RH 100%\n  Battery Type: 4 x 1.5V; IEC LR44, A76 (included)\n  Battery Life: Approx. 300 hours of use\n  Auto-off: after 8 minutes on non-use\n  Dimensions: 7.9 inches √ó 1.5 inches (diameter)\n  Weight: 3.5 ounces (99.22 g)","brand":"Milwaukee Instruments","offers":[{"title":"Default Title","offer_id":58456051613999,"sku":"107638","price":60.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/84cdc540107638.jpg?v=1789192864"},{"product_id":"milwaukee-mw102-pro-2-in-1-ph-and-temperature-meter-with-atc","title":"Milwaukee MW102 PRO+ 2-in-1 pH and Temperature Meter with ATC","description":"\u003cp\u003e \u003cstrong\u003eSummary\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe digital Milwaukee PRO+ pH Meter is preferred by people testing samples that cause other pH testers and meters to fail from \u003cstrong\u003ebrewers,\u003c\/strong\u003e \u003cstrong\u003ewine makers\u003c\/strong\u003e to hydroponic growers and farmers.\u003c\/p\u003e\n\u003cp\u003eWhen combined and used with the Wine Electrode \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-ma919b-1-refillable-combination-ph-probe-for-the-mi456-mini-titrator-and-other-wine-applications\/\"\u003e\u003cu\u003e\u003cstrong\u003eMA919B\/1\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e, it is a cost effective, reliable portable meter for pH wine applications.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee PRO pH meter offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePeople choose the digital PRO+ pH Meter to improve the accuracy of their pH testing program. With two point calibration, the meter can be quickly calibrated to a higher accuracy compared with one point calibration. The MW102 meter is accuracy to ±0.02 pH. 5x more accurate than some alternative meters.\u003c\/p\u003e\n\u003cp\u003eThe meter comes with both a pH probe and temperature probe allowing the meter to automatically adjust the pH reading for the effect of temperature.\u003c\/p\u003e\n\u003cp\u003eThe temperature probe can also be used as a very accurate thermometer.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eToughness\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe rugged, digital pH meter is built to take knocks.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eLow Maintenance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe PRO+ pH meter comes with the Milwaukee \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-se220-lab-grade-double-junction-ph-probe\/\"\u003e\u003cu\u003e\u003cstrong\u003eSE220\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e pH probe. The \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-se220-lab-grade-double-junction-ph-probe\/\"\u003e\u003cu\u003e\u003cstrong\u003eSE220\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e is Milwaukee's top selling lab grade electrode for a reason. Designed to be both low maintenance (gel filled) and able to withstand more challenging samples (double junction). The \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-se220-lab-grade-double-junction-ph-probe\/\"\u003e\u003cu\u003e\u003cstrong\u003eSE220\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e is ideal for use in beer making, winemaking and hydroponics. \u003c\/p\u003e\n\u003cp\u003eThe PRO MW102 when combined and used with the pH Wine Electrode \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-ma919b-1-refillable-combination-ph-probe-for-the-mi456-mini-titrator-and-other-wine-applications\/\"\u003e\u003cu\u003e\u003cstrong\u003eMA919B\/1\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e, is a reliable portable meter for measuring the pH of wines  \u003cstrong\u003eSEE\u003c\/strong\u003e \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-mw102-wine-kit-pro-2-in-1-ph-and-temperature-meter-for-wine\/\"\u003e\u003cu\u003e\u003cstrong\u003eMW102 WINE KIT\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e.  The \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-ma919b-1-refillable-combination-ph-probe-for-the-mi456-mini-titrator-and-other-wine-applications\/\"\u003e\u003cu\u003e\u003cstrong\u003eMA919B\/1\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e has a special PTFE reference that prevents clogging and staining, can also slide up to drain the reference electrolyte for refilling, is refillable with \u003ca href=\"https:\/\/milwaukeeinstruments.com\/Milwaukee-MA9011-Refilling-Electrolyte-Solution-3.5M-KCl-pH\/ORP-electrodes\/\"\u003e\u003cu\u003e\u003cstrong\u003eMA9011\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e electrolyte and is glass and designed specific high electrolyte flow.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDesign features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFast easy to read results with large digital LCD readout\u003c\/li\u003e\n  \u003cli\u003eLightweight and portable\u003c\/li\u003e\n  \u003cli\u003eEasy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize\u003c\/li\u003e\n  \u003cli\u003eAutomatic Temp. Compensation (ATC)\u003c\/li\u003e\n  \u003cli\u003eAutomatic two-point calibration for increased accuracy\u003c\/li\u003e\n  \u003cli\u003eExtreme accuracy to ±0.02 pH and extended range (-2.00 pH to 16.00 pH) \u003c\/li\u003e\n  \u003cli\u003eLow maintenance, high performance gel-filled, double junction lab grade pH electrode included\u003c\/li\u003e\n  \u003cli\u003eRugged stainless temperature probe\u003c\/li\u003e\n  \u003cli\u003e3’ probe cables for extra flexibility\u003c\/li\u003e\n  \u003cli\u003eAuto shut off and low power demand\u003c\/li\u003e\n  \u003cli\u003eApprox. 300 hours of continuous use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCare and Use \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003epH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems are the glass sensing bulb and the reference junction.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSensing bulb\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe glass bulb loses sensitivity with use and will eventually fail. This is true of all pH probes.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eReference junction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and reference. If the junction hole gets clogged, the pH electrode will no longer function.\u003c\/p\u003e\n\u003cp\u003eYou can extend the life of your pH electrode in the following ways.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCleaning and Storage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-ph-main-maintenance-kit-for-ph-\/-orp-meters-and-testers\/\"\u003e\u003cu\u003e\u003cstrong\u003ePH-Main\u003c\/strong\u003e\u003c\/u\u003e \u003c\/a\u003eat checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged.\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015.  Only use tap water short-term if \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-MW102-pro-ph-meter-with-temperature-probe\/%25%25GLOBAL_ShopPathSSL%25%25\/milwaukee-ma9015-storage-solution-for-ph-\/-orp-electrodes\/\"\u003e\u003cu\u003e\u003cstrong\u003eMA9015\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe best way to store the probe is with the probe's cap filled with storage solution or calibration buffer and the cap tightened to prevent leakage. It is also recommended that to store the electrode upright to further reduce the potential for leakage.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCleaning\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eResidue from the sample can impact the sensitivity of the sensing bulb and clog the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking your electrode in cleaning solution \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-ma9016-cleaning-solution-for-ph-\/-orp-electrodes\/\"\u003e\u003cu\u003e\u003cstrong\u003eMA9016\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e  \u003cstrong\u003efor about 20 minutes.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe pH sensing bulbs become less sensitive over time so make sure that you are calibrating regularly to keep your PRO Plus pH meter accurate. Also, calibrate after cleaning or a long period of storage.\u003c\/p\u003e\n\u003cp\u003eThank you for considering Milwaukee to help you take your results to the next level.\u003c\/p\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":58456183898415,"sku":"114161","price":188.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/123e7282MW102__84826_20_281_29.jpg?v=1789194668"},{"product_id":"milwaukee-mw101-soil-pro-ph-meter","title":"Milwaukee MW101-SOIL PRO pH Meter","description":"\u003cp\u003e \u003cstrong\u003eSummary\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee MW101-SOIL PRO pH meter has won fans around the world with its reliable, fast and simple operation as well as its toughness and accuracy.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee PRO pH Meter is preferred by people testing samples in direct soil or with slurries that cause other pH meters to fail while taking direct readings in Hydroponics, Horticulture and farming applications.\u003c\/p\u003e\n\u003cp\u003eThe Milwaukee PRO pH meter offers:\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpeed\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe MW101-SOIL delivers fast results to ±0.02 pH accuracy with two point calibration.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eToughness\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe rugged meter is designed to take knocks. Paired with low maintenance, field grade MA920B\/1 open junction, gel filled electrode, the MW101-SOIL is ideal for everyone from educators to horticulture professionals and growers.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eDesign features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFast easy to read results with large digital LCD readout\u003c\/li\u003e\n  \u003cli\u003e±0.02 pH accuracy \u0026amp; 0.01 pH resolution\u003c\/li\u003e\n  \u003cli\u003eLightweight and portable\u003c\/li\u003e\n  \u003cli\u003eEasy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize\u003c\/li\u003e\n  \u003cli\u003e3’ probe cables for extra flexibility\u003c\/li\u003e\n  \u003cli\u003eManual two-point calibration for increased accuracy\u003c\/li\u003e\n  \u003cli\u003eGel-filled, open junction, field grade pH electrode for low maintenance and high performance\u003c\/li\u003e\n  \u003cli\u003eAuto shut off and low power demand for approx. 300 hours of continuous use (battery included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eUse and Care \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003epH meters usually start performing poorly because of problems with the probe. The two parts of the pH probe that cause problems are the glass sensing bulb and the reference junction.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSensing bulb\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe glass bulb loses sensitivity with use and will eventually fail. This is true of all pH probes.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eReference junction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe reference junction is a small hole that allows the meter to compare the sample to a reference. The reading is generated based on the electrical difference between the sample and reference. If the junction hole gets clogged, the pH probe will no longer function.\u003c\/p\u003e\n\u003cp\u003eYou can extend the life of your pH electrode in the following ways.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCleaning and Storage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAll pH sensors have a limited life and response time gets longer with age. Properly maintaining your pH pen tester will give you fast, accurate results for longer. So, be sure to order the Milwaukee pH Maintenance Kit code \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-ph-main-maintenance-kit-for-ph-\/-orp-meters-and-testers\/\"\u003e\u003cu\u003e\u003cstrong\u003ePH-Main\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e at checkout time!  This will be needed to help clean and condition the pH electrode before use!\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe pH probe needs to be kept hydrated. Long periods of dry storage will damage the sensitivity of the probe. Allowing the probe to dry out may also result in the junction hole getting clogged.\u003c\/p\u003e\n\u003cp\u003eStore the pH probe in storage solution MA9015.  Only use tap water short-term if \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-mw101-soil-pro-ph-meter\/%25%25GLOBAL_ShopPathSSL%25%25\/milwaukee-ma9015-storage-solution-for-ph-\/-orp-electrodes\/\"\u003e\u003cu\u003e\u003cstrong\u003eMA9015\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e is not immediately available and \u003cstrong\u003eNEVER store in distilled Water (DI) or Reverse Osmosis (RO) water. This will damage the sensitivity of the probe.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe best way to store the probe is with the probe's cap filled with storage solution or calibration buffer and the cap tightened to prevent leakage. It is also recommended that to store the electrode upright to further reduce the potential for leakage.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCleaning\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eResidue from the sample can impact the sensitivity of the sensing bulb and clog the junction. This is especially true if the sample has a lot of organic material. We recommend regularly soaking your electrode in cleaning solution \u003ca href=\"https:\/\/milwaukeeinstruments.com\/milwaukee-ma9016-cleaning-solution-for-ph-\/-orp-electrodes\/\"\u003e\u003cu\u003e\u003cstrong\u003eMA9016\u003c\/strong\u003e\u003c\/u\u003e\u003c\/a\u003e \u003cstrong\u003efor about 20 minutes.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe pH sensing bulbs become less sensitive over time so make sure that you are calibrating reguarly to keep your PRO pH meter accurate. Also, calibrate after cleaning or a long period of storage.\u003c\/p\u003e","brand":"Milwaukee","offers":[{"title":"Default Title","offer_id":58456184291631,"sku":"114160","price":310.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/81981112MW101-SOIL__90122.jpg?v=1789194676"},{"product_id":"luster-leaf-soil-moisture-ph-tester","title":"Luster Leaf Soil Moisture\/pH Tester","description":"","brand":"Luster Leaf","offers":[{"title":"Default Title","offer_id":58457096978735,"sku":"400000032894","price":13.49,"currency_code":"USD","in_stock":true}]},{"product_id":"bluelab-ph-controller-connect","title":"Bluelab pH controller - connect","description":"\u003cp\u003eOur brainy pH Controller Connect constantly monitors and fine-tunes the pH levels for you. But more than that, it wirelessly data logs to your computer too, putting continuous information at your fingertips. Use the data to make system changes faster for the ultimate crop. You can also change the settings from your PC. One Bluelab Connect Stick is required, sold separately. Local and cloud data logging capability (download free Bluelab Connect Software). Option to view data and current status remotely via Google Docs. For use with reservoirs up to 200 US gal\/760 L. Plant-safe green backlit LCD with adjustable brightness and large, easy-to-read display. Easy to navigate menu to program, adjust settings and calibrate by a simple push of a button. Flashing high\/low alarm with control lockouts to protect from over-dosing. Auto resume dosing on restart after power loss. Includes: water-resistant, wall mount housing, 13 ft acid\/alkali resistant dosing tube, international power supply, replaceable double junction pH probe and temperature probe (for pH ATC). Use with undiluted Bluelab pH Up or Down. Compatible with Bluelab Connect Stick and Connect Range Extender. 6 month guarantee for Bluelab pH Probe.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":58457268977967,"sku":"400000032696","price":714.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/files\/HGC716343-01.jpg?v=1789211752"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0978\/4875\/4479\/collections\/666bb267505380_dea40103-c375-457f-8df8-427cbf9cb9f9.jpg?v=1789069961","url":"https:\/\/mattshydroponics.com\/collections\/ph-and-ec-ppm-ph-testing.oembed","provider":"Matt’s Hydroponics","version":"1.0","type":"link"}