MyDx Analyzer Kit

Get the world's first handheld chemical testing platform, and get the assurance and control that comes with knowing the composition of your cannabis. The CannaDx solution is a practical and affordable solution, empowering individuals and industry professionals to Trust and VerifyTM the composition of cannabis strains. And, coming soon, new add-on sensors will allow you to test for pesticides and other harmful chemicals in your food, water and air. We're putting next generation technology and... Read More
$995.00 each
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ST Economy pH/EC Meter

Features: Combination pH and electrical conductivity (EC) probe 150-hour battery life Automatic temperature compensation 0.68 TDS ratio calculation Accuracy: ±0.2 pH and 2% EC scale Includes handheld pH meter, calibration solution and carrying case ... Read More
$545.00 each
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ST Waterproof EC Meter

Economic meter for measuring salinity Measures four parameters; conductivity, TDS, salinity, and temperature 6 units of measurement: µS/cm, mS/cm, ppm, ppt, mg/L, and g/L Internal memory stores up to 15 labeled readings for easy recall Adjustable conductivity-to-TDS ratio factor (0.4 to 1.0) Accuracy: ±2% Measurement ranges:– Conductivity: 0.00 to 199 µS/cm, 200 to 1,999 µS/cm, or 2.00 to 19.99 mS/cm– TDS: 0 to 99.9 mg/L, 100 to 999 mg/L, or 1.00 to 9.99 g/L– Salinity (fixed... Read More
$232.50 each
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ST FieldScout SoilStik pH Meter

Features: Flat surface electrode measures pH in soils, semi-solids, solids and liquids - no more electrode breakage or clogged junctions RENEW indicator tells you when it’s time to replace your electrode. Eliminates guesswork CAL alert tells you it’s time to recalibrate. Ensures accuracy Memory records and recalls 15 sequentially tagged readings allowing detection of changes over time1- or 2-point calibration: automatically recognizes buffer solutions Automatic temperature... Read More
$242.00 each
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HM Digital TDS Meter TDS-3

Efficient & Accurate. Includes a carrying case. Hold Function: saves measurements for convenient reading and recording  Shuts off automatically after 10 minutes of non-use to conserve batteries. Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm. Display: large and easy-to-read LCD screen   Meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a... Read More
$39.95 each
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HM Digital- pH/Temp Hydrotester

Measures pH and Temperature One-touch automatic digital calibration Water resistant Simultaneous temperature display Sleek, lightweight design Large LCD display Automatic Temperature Compensation (ATC) Auto-off function, data-hold function and low-battery indicator ... Read More
$98.95 each
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Bluelab PPM Pen

The ultimate handy solution for measuring conductivity! The Bluelab ppm Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops. The Bluelab ppm Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustments are needed. Measures conductivity and temperature Selectable units for conductivity and temperature Backlit LCD display Calibration... Read More
$128.00 each
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Bluelab Truncheon EC/PPM Meter

It is essential when growing with a hydroponic solution to KNOW what the strength of the solution is before feeding your plants AND while they are growing. This is easy if you use the Bluelab Truncheon! To take a reading of your solution - simply place the probe head into the solution, wait for it to reach the same temperature of your nutrient. Remove from the solution and place back in to take the reading as indicated by the flashing lights. Rinse the probe after use in fresh water and clean... Read More
$176.95 each
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Bluelab Combo Meter ph/EC/ppm/Temp

Portable pH, conductivity and temperature meter all in one. The Bluelab Combo Meter has two probes, a Bluelab pH Probe and a Bluelab Conductivity/Temperature Probe. The Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anywhere, anytime to help you manage your crop's daily nutrient requirements. Measures pH, conductivity/nutrient (EC,CF,ppm 500 and ppm 700) and temperature (C & F) Lightweight and portable Large easy to read display ... Read More
$369.95 each
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Bluelab Guardian Reservoir Monitor

The simplest and most effective reservoir monitor you could ever own! The Bluelab Guardian Monitor provides 24 hour continuous reading for pH, conductivity (EC/ppm 700/TDS/CF) and temperature within a nutrient solution. Just Glance Designed for indoor use, the Guardian Monitor can be mounted on a wall or hung on a support bar. The Guardian Monitor comes into its own when you are setting up your reservoir with nutrient solution. Place the probes into the reservoir while you are adjusting the... Read More
$399.95 each
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Bluelab pH Pen

Measures pH and temperature Selectable units for temperature Backlit LCD display Double junction probe (not replaceable) Successful pH calibration indicator Hold reading function Low battery indicator Fully waterproof Auto off function Automatic temperature compensation 1 x AAA alkaline battery included pH Pen Manual - English ... Read More
$139.95 each
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Bluelab pH Replacement Probe

A replacement probe for Bluelab Combo and pH Meters, and Guardian Monitors The Bluelab pH Probe is a replacement pH probe (electrode) suitable for use with Bluelab products that test the pH value of a solution. Unfortunately pH Probes do not last forever as they age through normal use and will eventually fail. With good care and use (keeping the probe tip wet and cleaning once a month) you will extend its life. The Bluelab pH Probe has a double junction reference which provides a longer life... Read More
$84.00 each
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Bluelab pH & Conductivity Probe Care Kit

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. 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... Read More
$28.90 each
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Bluelab Probe Care Kit - Conductivity

Everything you need to clean and test conductivity (ppm/EC) / temperature probes.The instrument is only as accurate as the probe is clean. Accurate readings simplify crop management and provide improved growth. Proper ppm/EC probe maintenance also ensures you maximize the life of the probe and instrument. The probe surface is where the instrument takes the reading of the solution. If the probe face is dirty or contaminated, the readings may be inaccurate. Much like the windshield of a car, if... Read More
$14.90 each
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Bluelab pH 7.0 Calibration Solution - 250ml

pH instruments must be cleaned and calibrated at least monthly to provide you with the most accurate reading.pH measuring equipment is calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Essential for use with all Bluelab pH products for the calibration of Bluelab pH Probes. To ensure solutions remain accurate: Avoid cross-contamination Decanter into a smaller plastic cup Discard sample after use Store in a cool dark place Store with lid secured tightly Keep out of reach of... Read More
$13.80 each
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Bluelab pH 4.0 Calibration Solution - 250ml

pH instruments must be cleaned and calibrated at least monthly to provide you with the most accurate reading.pH measuring equipment is calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Essential for use with all Bluelab pH products for the calibration of Bluelab pH Probes. To ensure solutions remain accurate: Avoid cross-contamination Decanter into a smaller plastic cup Discard sample after use Store in a cool dark place Store with lid secured tightly Keep out of reach of... Read More
$13.80 each
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Bluelab pH Probe KCL Solution - 100ml

The perfect solution to store and hydrate your Bluelab pH products. It is extremely important to care for and store pH probes correctly. pH probes are sensitive glass instruments which age through normal use. The life and performance of pH probes is reduced heavily when they are stored dry. Bluelab pH Probe KCI 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,... Read More
$14.30 each
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Bluelab 2.77 EC Standard Solution - 500ml

Is your conductivity instrument adequately cleaned and giving accurate results? Test and see...Most of Bluelab’s EC/ppm equipment does not need calibrating as they are all factory calibrated here at Bluelab (except Bluelab EC and ppm Pens). The 2.77 EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/CF probe. To ensure solutions remain accurate: Avoid cross-contamination Decanter into a smaller plastic cup Discard sample after use ... Read More
$13.30 each
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Oakton Instruments ECO Tester pH 2 Meter

Simply dip and read the orientation of the display means no need to turn your head or tilt the tester. This low-cost meter is perfect for most applications. The single-junction electrode is recessed to protect against breakage. The unit offers up to three-point calibration with auto-buffer recognition for quick calibrations, automatic temperature compensation for accurate reading under changing conditions, hold function to lock measure value, and auto-off to prolong battery life. ... Read More
$149.95 each
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General Hydroponics pH Liquid Test Kit - 1oz

General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Many growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use.... Read More
$11.20 each
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General Hydroponics - pH Liquid Test Kit Refill - 8oz

General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Many growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use.... Read More
$13.80 each
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LusterLeaf Rapitest Soil Test Kit pH/N/P/K

Innovative and inexpensive soil test kit features an easy-to-use capsule system and color comparators Contains tests for ph, nitrogen, phosphorus, and potassium levels; 40 tests in total Also has a chart of pH and NPK levels for more than 100 plants Simple, fast, and accurate results; no experience required to perform tests Includes complete instructions for adjusting soil conditions ... Read More
$26.50 each
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LusterLeaf 1605 Rapitest Digital Soil Testing Kit

Tend well to your garden or orchard with this Luster Leaf Rapitest Digital Soil Test Kit. It has 40 tests: 10 each for pH, nitrogen, phosphorus and potash. This Rapitest soil test kit has a color comparison system that makes it easy to use and terrific for both home and professional applications. Luster Leaf Rapitest Digital Soil Test Kit: 40 tests: 10 each for pH, nitrogen, phosphorus and potash Patented color comparator system Luster Leaf soil test kit is outstanding for both home... Read More
$57.90 each
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LusterLeaf Digital Soil pH Meter

Easy to read digital output Instantly measures acidity or alkalinity level Includes printed plant list Product specifically designed to be used only in soil ... Read More
$26.60 each
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