Nutrients & Additives
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Bluelab Bluelab Probe Care Kit - Conductivity Probe
The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most important parts of owning or operating any Bluelab meter, monitor or controller. If the probe is contaminated or dirty, it affects the accuracy of the reading displayed. Conductivity kit contents: instructions, 500ml 2.77 EC solution, plastic cup, conductivity probe cleaner and chamois (probe cleaning instrument).
$31.00
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HM Digital HM Digital PH80 pH/Temperature Meter
Resolution: pH 0.1 pH, 0.00–14.0 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.
$49.95
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Bluelab Bluelab 2.77 EC Conductivity Solution - 500ML
The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be stored with the lids securely tightened.
$22.00
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Luster Leaf Luster Leaf Rapitest 3-Way Digital Analyzer
Luster Leaf Rapitest 3-Way Digital Analyzer
$40.99
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Cyco CYCO pH Up - 5L
CYCO pH Up raises the total pH value of the made nutrient solution.
$40.90 $36.81
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Luster Leaf LUSTER LEAF Mini 4-in-1 Tester
LUSTER LEAF Mini 4-in-1 Tester
$18.99
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Bluelab Bluelab Multimedia pH Meter with Leap pH Probe
The 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.
$295.74 $266.17
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Bluelab Bluelab pH Controller
Hands-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.
$740.94 $666.85
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Luster Leaf Luster Leaf Rapitest Electronic Soil Tester
Luster Leaf Rapitest Electronic Soil Tester
$30.99
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Bluelab Bluelab Truncheon
With its super tough, high-quality, fully waterproof design, no calibration required, daylight readable blue LEDs and no on/off buttons to worry about, the Bluelab Truncheon Nutrient Meter has proven itself as the world's favorite nutrient meter. It is powered by three standard AA batteries. EC (02-3.6), CF (2-36) and ppm scales (TDS and 700 scale). Fully waterproof design. No calibration required. Auto sense on and off. No external switches or adjustable buttons. Meter length: 40.7cm or 16 1/32in. 5 year Bluelab Guarantee.
$142.15
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Bluelab Bluelab Leap pH Probe (Probe Only)
The 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.
$145.00 $130.50
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Luster Leaf Luster Leaf Electronic 4-Way Analyzer
Luster Leaf Electronis 4-Way Analyzer
$39.99
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Bluelab Bluelab pH Probe KCl Storage Solution 250ML
The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For best results, use the KCl solution to store the pH pen/probe after use and hydrate monthly. Bluelab pH Probe KCl Storage Solution is manufactured to high laboratory standards.
$30.00 $24.50
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Bluelab Bluelab Guardian Monitor Connect
The Bluelab Guardian Monitor Connect is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nutrient solution, it also data logs these critical parameters to your computer for you. It does not stop there. You can access the data via the cloud from a remote mobile device or computer to check for extreme variances to ensure these critical parameters are hitting the mark for crop success. Just one Bluelab Connect Stick is required to receive wireless data from one or more Guardian Monitor Connects.
$507.74 $456.97
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Luster Leaf Luster Leaf Rapitest Digital Soil Thermometer
Luster Leaf's Rapitest Digital Soil Thermometer (model 1625) gives a digital readout of soil temperature in Fahrenheit, so you can time seeding and transplanting for the right soil temperature. It comes with germination and transplanting temperature guidelines, and batteries are included.How to use Press the power button to turn it on. Insert it at least 2" to 3" (5-8 cm) into the soil. Read the temperature after about 60 seconds. Good to know If you leave it on, it turns itself off after about 3 minutes to save the battery. Press the power button to restart. Replacement batteries: three #357 silver oxide, 1.55 volt.
$14.99
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Luster Leaf Luster Leaf Mini Soil pH Tester
Luster Leaf Mini Soil pH Tester
$11.99
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HM Digital HM Digital PH-200 Waterproof pH Meter
Measures 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.
$99.95
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Bluelab Bluelab Commercial Truncheon Meter
With a conductivity range right up to 6.0 EC (60 CF, 3000 ppm x 500 and 4200 ppm x 700), it will never leave you short. The Commercial Truncheon Nutrient Meter has been designed for hydroponic crops that require a higher than normal EC or ppm requirement during their growing cycle. It is super tough, fully waterproof, has no on/off buttons to worry about and does not need calibrating. EC (0.4-6.0), CF (4-60) and ppm scales (TDS and 700 scale). Auto sense on and off. Battery life minimum 1 year (or shelf life of battery). Meter length: 40.7cm or 16 1/32in. 5 year Bluelab Guarantee.
$134.10
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Bluelab Bluelab Connect Stick 2
Get Connected. Improve crop performance and reduce errors with the power of data and remote monitoring. Receive wireless monitoring data from all Bluelab Connect devices to your computer and smartphone or tablet. Receive important push notifications on your mobile device so you can respond immediately to changes, support growing decisions and improve crop performance. Send wireless data 100m/330ft to and from Connect devices within the growing environment and up to 400m/1312ft in open space (line-of-sight). Only one Connect Stick 2 required to receive wireless data from up to 50 Connect devices. Send Bluelab Connect wireless data further in large growing facilities and environments. Simply plug the Bluelab Range Extender 2 into a power supply between Bluelab devices and Bluelab Stick 1 or 2 to increase the wireless signal range. For extra-long distances, multiple Bluelab Range Extender 2s can be used. Increase the wireless range between Bluelab Connect devices and the computer by up to four times when Connect Range Extender 2 is paired with Connect Stick 2.
$168.54 $151.69
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HM Digital HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH/EC/TDS/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use.HydroMaster HM-500 pH/EC/TDS/°F Tester (113831)• Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS from 0-9999 ppm and EC from 0-9999 μS• Stores up to 20 measurement readings, so you can monitor changes over time• LCD touch-type screen with auto backlighting• Powered by a rechargeable lithium ion battery• Features an adjustable alarm that has a high and low set point• Automatically turns off after 5 minutes• Comes with wall mountable bracket, USB cable, 2 flotation disks, 1 EC/TDS conductivity sensor, 1 pH sensor, 1 packet each pH 4, pH 7, storage solution, and 1000 ppm calibration solution• 110V-220VThree year warranty (6 month warranty on the pH probe)
$359.00 $323.10
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Milwaukee Instruments Milwaukee MA871 Digital Brix Refractometer
The Milwaukee digital BRIX refractometer is temperature compensated with a 0 to 85 percent BRIX range and +/- 0.2 percent accuracy. It is easy to use with simple two button operation and fast with a response time under 2 seconds. Maintenance is a breeze also with an easy-to-clean sealed flint glass prism and stainless steel well.DESIGN FEATURESFast, accurate results with digital dual level LCD readout. Easy measurement with just 2-3 drops of sample needed and results less than 2 seconds. Simple one-point calibration using distilled or deionized water. Easy to clean, stainless steel sample well with unit rated to IP65 as "dust tight" and protected against water jets. Battery percent level indicator with automatic shut-off (batteries included). Ideal for winemakers, brewers, fruit and vegetable growers, maple syrup producers, and food producers. The measurement technique and temperature compensation employ methodology recommended in the ICUMSA Methods Book (Internationally recognized body for Sugar Analysis).
$185.00
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Luster Leaf Luster Leaf® Rapitest® pH Soil Tester - Contains 10 pH Tests
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.
$8.59
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HM Digital HM Digital COM80 EC/TDS/Temp Waterproof Hydro Tester
The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Measures electrical conductivity (EC), total dissolved solids (TDS). Excellent for hydroponic nutrient testing. Four scales: EC: , mS; TDS: ppm, ppt Automatic Temperature Compensation (ATC) Water resistant Measurement Range: 0-9990 µS; 0-5000 ppm; 0-9.9 mS; 0-5.0 ppt Digital Calibration (push button) to any point within the meter's range Auto-off function, data-hold function and low-battery indicator Display: large and easy-to-read LCD screen includes simultaneous temperature reading Factory Calibrated: The COM-80 meter is calibrated with a 1413 µS solution can be recalibrated with digital calibration using the push buttons Includes a protective cap and batteries. SPECIFICATIONS EC Range: 0-9990 µS; 0-9.9 mS TDS Range: 0-5000 ppm (mg/L); 0-5.0 ppt Temperature Range: 1-80F Resolution: 1µS/ppm; 0.1 mS/ppt Temp. resolution: 0.1C/F Accuracy: +/- 2% EC-to-TDS Conversion Factor: NaCl (avg of 0.5) Calibration: Digital calibration by push button Probe: Fixed Housing: Water resistant Power source: 3 x 1.5V button cell batteries (included) (model LR44 or equivalent) Dimensions: 15.3 x 3.2 x 1.8 cm (6.0 x 1.3 x 0.7 inches) Weight: 53.9 g (1.9 oz) 1 year warranty
$46.44 $41.79
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AC Infinity AC Infinity pH Meter Kit, pH Pen Tester for Water
A pH reader for water quality assessment designed to help monitor and maintain proper pH levels. Measures the acidity, alkalinity, and temperature of water for gardens, aquariums, pools, and more. Sensor probe with sensitive glass membrane delivers instant pH readings with high accuracy. IP-67 rated to be sealed from high-volume moisture, dust, and sand; can also withstand high levels of heat. Lab-grade pH monitor testing kit includes ready-to-use 4.00 & 7.00 solutions for long-lasting precision. PRODUCT DESCRIPTION A digital water quality meter designed to measure water’s acidity, alkalinity, and temperature to help optimize its quality for gardening and water treatment applications. 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. APPLICATIONS This 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.
$69.99
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