Meters/Controllers
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AC Infinity pH Meter Pro
$109.99Advanced 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. Replaceable sensor probe with sensitive glass...$109.99 -
AC Infinity All in 1 Meter
AC INFINITY
$169.00Hydroponic pH reader for water quality assessment to help monitor and maintain proper solution levels. Measures acidity, alkalinity, EC, TDS, temp, and salinity of water for gardens, aquariums, pools, and more. Replaceable sensor probe with sensitive...$169.00 -
Bluelab pH 4.0 Calibration Solution 250 ml
bluelab
$13.50High-quality calibration solutions Effective, affordable pH calibration Bluelab pH 4.0 Calibration Solution - 250 ml is essential for use with all Bluelab pH products...$13.50 -
AC Infinity 20' Probe
AC INFINITY
$16.99A corded sensor designed for use with AC Infinity universal controllers in HVAC and grow applications. Engineered with Swiss-made thermal-alloy probe heads offering precise temperature and humidity measurements. Adapts to rapid climate...$16.99 -
GroStar GS2 Soil pH Pen
$256.99GroStar GS2 Soil pH Pen Lab grade instruments designed specifically for growers! Includes: pH 7 & pH 4 solution (50ml bottles of each), KCL soaking solution (10ml bottle), cleaning brush, hole dibber, lanyard and user...$256.99 -
Bluelab Truncheon Comm
bluelab
$149.00Impossibly tough, an EC meter built to last a lifetime Measure up to 3.6 EC, 36 CF, 1800 ppm 500 or 2520 ppm 700 Robust and reliable construction for long-lasting value Fully waterproof; splash, submerge or sink - we've...$149.00 -
Digital Sugar Refractometer (BRIX) Kit
Milwaukee
$149.99Thousands of food and beverage professionals and hobbyists, from chefs and food quality professionals to brewers and wine makers, have moved to digital BRIX measurement from less accurate and less precise optical refractometers. WHAT PEOPLE ARE...$149.99 -
Apera GroStar GS4 pH/EC Combo Pen
$178.99AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo PenLab grade instruments designed specifically for growers!Includes: • 2-year warranty (instrument)• 1-year warranty (probe)• pH 7 & pH4 calibration solution...$178.99 -
Bluelab pH Pen
bluelab
$123.00Measures 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...$123.00 -
BlueLab Conductivity Pen
bluelab
$101.00Measures 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...$101.00 -
$140.00