pH / EC / TDS Meters & Solutions

The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. Available for local pick-up.

This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in orde...

The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level. Available for local pick-up.

The Sure Test® Pro EC/TDS Pen reads EC, TDS and temperature (ºF or ºC) with automatic temperature compensation (ATC) for more reliable conductivity...

"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrate...

The Gardena Smart Flow Water Meter measures water usage daily, monthly, by season, or yearly. The LCD screen clearly displays information with mea...

"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are ...

pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are c...

Plants need the correct pH level, which controls how well plants utilize the nutrients available in your soil. All plants have a pH prefer...

Kit includes: 4 color comparators, 40 test capsules, 10 each for pH, N, P and K, complete instructions for adjusting soil pH, fertilizatio...

Peripod™ L3 doser is designed to be teamed with the Bluelab® Pro Controller™ for a fully integrated solution for optimal reservoir dosing....

Bluelab® Pro Controller™ automated pH and nutrient controller gives you full control of reservoir pH, conductivity and temperature in one place. Wh...

The Bluelab Guardian Monitor Connect, Bluelab Connect Stick, Bluelab Connect Range Extender and Bluelab Connect Software. The Bluelab Guardian Moni...

The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired levels of pH, conductivity and temperature of your nut...

Measures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful ...

Measures pH and temperature. Selectable units for °C and °F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration i...

Designed to be teamed with the Bluelab® Pro Controller for a fully integrated solution for optimal reservoir dosing, the Bluelab® PeriPod™ is a sim...

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 a...

The Bluelab® Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the right nutrients will be made available to y...

The Bluelab® Combo Meter Plus is an all-in-one, convenient portable solution for accurate measurement of pH, conductivity and temperature in nutrie...

The Sure Test® GroGuru Base (Collector) is used to collect data from the various Stems (sold separately) with sensors. The Base then forwards this ...

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. Ve...

The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab...

Everything you need to clean, hydrate and calibrate pH probes. Probe cleaning and correctly storing pH probes ensures you get the most accurate rea...