Meters & Solutions

65 products

  • Sale -10%Last stock! Bluelab pH Controller

    Bluelab Bluelab pH Controller

    1 in stock In stock

    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.

    1 in stock In stock

    $740.94 $666.85

  • Luster Leaf Rapitest Electronic Soil Tester

    Luster Leaf Luster Leaf Rapitest Electronic Soil Tester

    3 in stock In stock

    Luster Leaf Rapitest Electronic Soil Tester

    3 in stock In stock

    $29.49

  • Sale -10% Bluelab Truncheon

    Bluelab Bluelab Truncheon

    Out of stock, 1-3 weeks

    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.

    Out of stock, 1-3 weeks

    $157.94 $142.15

  • Sale -10% Bluelab Leap pH Probe (Probe Only)

    Bluelab Bluelab Leap pH Probe (Probe Only)

    Out of stock, 1-3 weeks

    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.

    Out of stock, 1-3 weeks

    $136.74 $123.07

  • Last stock! Luster Leaf Electronic 4-Way Analyzer

    Luster Leaf Luster Leaf Electronic 4-Way Analyzer

    2 in stock In stock

    Luster Leaf Electronis 4-Way Analyzer

    2 in stock In stock

    $39.99

  • Sale -10% Bluelab Guardian Monitor Connect

    Bluelab Bluelab Guardian Monitor Connect

    Out of stock, 1-3 weeks

    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.

    Out of stock, 1-3 weeks

    $507.74 $456.97

  • Last stock! Luster Leaf Rapitest Digital Soil Thermometer

    Luster Leaf Luster Leaf Rapitest Digital Soil Thermometer

    1 in stock In stock

    1 in stock In stock

    $14.99

  • Luster Leaf Mini Soil pH Tester

    Luster Leaf Luster Leaf Mini Soil pH Tester

    6 in stock In stock

    Luster Leaf Mini Soil pH Tester

    6 in stock In stock

    $11.99

  • Sale -10% HM Digital PH-200 Waterproof pH Meter

    HM Digital HM Digital PH-200 Waterproof pH Meter

    Out of stock, 1-3 weeks

    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.

    Out of stock, 1-3 weeks

    $108.07 $97.24

  • Sale -15% Bluelab Commercial Truncheon Meter

    Bluelab Bluelab Commercial Truncheon Meter

    Out of stock, 1-3 weeks

    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.

    Out of stock, 1-3 weeks

    $157.94 $134.10

  • Bluelab pH Pen

    Bluelab Bluelab pH Pen

    Out of stock, 1-3 weeks

    Measures 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: 0.0–14.0 pH/0–50°C/32°–122°F. Resolution: 0.1 pH/1°C/1°F. Accuracy @ 25°C: ±0.1 pH. Battery type: 1 x AAA alkaline.

    Out of stock, 1-3 weeks

    $99.00

  • Bluelab Conductivity Pen

    Bluelab Bluelab Conductivity Pen

    8 in stock In stock

    Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading function. Automatic temperature compensation. Units: EC, 500 ppm, 700ppm, F. Range: 0.05000 ppm (500 ppm), 0-7000 ppm (700 ppm) and 0-50C/32-122F. Resolution: 0.1 EC, 10 ppm (500 ppm), 10 ppm (700 ppm) and 1C/1F. Accuracy @ 25 C: ±0.1 EC (@ 2.77 EC) ±50 ppm (500 ppm) (@ 1385 ppm) ±70 ppm (700 ppm) (@ 1940 ppm) and ±1F. Battery type: 1 x AAA alkaline.

    8 in stock In stock

    $99.00

  • Last stock! Bluelab Guardian Monitor

    Bluelab Bluelab Guardian Monitor

    1 in stock In stock

    Adjustable 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).

    1 in stock In stock

    $459.00

  • Sale -10% HM Digital COM80 EC/TDS/Temp Waterproof Hydro Tester

    HM Digital HM Digital COM80 EC/TDS/Temp Waterproof Hydro Tester

    Out of stock, 1-3 weeks

    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

    Out of stock, 1-3 weeks

    $46.44 $41.79

  • Milwaukee pH600AQ Digital pH Pen Milwaukee pH600AQ Digital pH Pen

    Milwaukee Milwaukee pH600AQ Digital pH Pen

    Out of stock, 1-3 weeks

    The 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.WHAT PEOPLE ARE SAYING"Accurate results and calibrated right out of the box.""Must have for any aquarium owner.""Good value. Easy to use. Consistent."DESIGN FEATURESFast, accurate results with digital LCD readoutEasy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilizeSimple one-point calibration with an easy-to-use trimmer located on the back of the pH tester to protect from accidental splashesCap to protect the pH sensor and keep it wet when stored uprightLow power demand for extended battery life (batteries included)USE AND CAREAll 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.SPECIFICATIONSpH range: 0.0 to 14.0 pHResolution: 0.1 pHAccuracy: +/- 0.1 pHTypical EMC Deviation: +/- 0.2 pHCalibration: Manual, 1 PointEnvironment: 32 F to 122 F, 95% RHApproximate dimensions: 6 x 1.2 x 0.95 inchesWeight: 3 ounceBattery Life: 700 hoursWarranty: 1 year

    Out of stock, 1-3 weeks

    $35.00

  • Bluelab® Combo Meter pH Replacement Probe - Guardian

    Bluelab Bluelab® Combo Meter pH Replacement Probe - Guardian

    Out of stock, 1-3 weeks

    Adjustable 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).

    Out of stock, 1-3 weeks

    $90.00

  • Bluelab Probe Care pH & Conductivity Kit

    Bluelab Bluelab Probe Care pH & Conductivity Kit

    Out of stock, 1-3 weeks

    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 & pH 4.0, KCl, 2.77 EC, 3x plastic cups, pH Probe Cleaner, Conductivity Probe Cleaner, Toothbrush and Chamois.

    Out of stock, 1-3 weeks

    $35.00

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