Water Testers

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

Always On. Being There Optional. Monitor your reservoir pH, Conductivity, and Temperature with alerts on your phone when using the Wi-Fi-capable Bl...

The Bluelab Calibration Solutions are a very necessary part of a growers toolbox. These solutions are manufactured specific to the calibration proc...

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 ...

Bluelab Conductivity Standard Solutions are essential for improving EC/PPM accuracy in your measurements. This kit includes cleaning solutions for ...

The HI9814 portable meter features a large multi-level LCD that displays both pH, EC, or TDS and temperature readings simultaneously. The pH readin...

GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce ina...

The Hanna GroLine HI981420 Nutrient Monitor is the perfect tool for precision monitoring of your hydroponic, aquaponic, and greenhouse nutrient sol...

Bluelab Combo Meter is the 3-in-1 pH, Conductivity (EC), and Temperature meter trusted by growers for over 25 years. It provides everything you nee...

The ultimate handy solution for measuring conductivity! The Bluelab ppm Pen is the latest innovation for hand held conductivity meters. It provides...

The Bluelab pH Pen is the latest innovation for hand held pH meters and is the ultimate handy solution for measuring pH. Hydroponic growing lets yo...

Groline pH 7.01 Calibration Solution is a high quality pH 7.01 calibration buffer that is NIST traceable and supplied with a Certificate of A...

The Hanna Instruments GroLine Waterproof Pocket pH/EC/TDS/Temp Tester is a slim, lightweight, and waterproof pocket tester that measures pH, conduc...

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

Gardeners can easily measure and maintain nutrient strength levels with the waterproof Truncheon Meter. Truncheon Meter reads in EC (0.2-3.6), CF (...

Sometimes the more you know the better. And when it comes to managing the pH of your nutrient solution, exact knowledge makes the world of differen...

high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot ...

The GroLine HI98118 pH/temperature tester is our latest pocket meter for measuring the pH of a hydroponic nutrient solution. This modern look...

GroLine storage solution prepared with reagent grade chemicals that can be used to ensure optimum performance of your pH and ORP electrodes. It is ...

The HI1285-8 multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981420 GroLine Monitor...