Products

Item#HGPROBAT

Stock up on batteries for your pH/TDS pen and never be without. The tiny battery discs hardly take up any room—you can even store them right in your pen case so you're always prepared. 

Item#BPM500

The Bluelab pH Meter is a simple, reliable pH meter that provides accurate readings and unparalleled ease of use. 

Item#BPH500

The Bluelab pH Pen is a handy option for hobby and small-scale hydroponic growers. Maintaining proper pH levels is key in raising healthy, fruitful plants, and this pen accurately measures both the pH and temperature in hydroponic systems. 

Item#CTM500

The Control Wizard 24/7 Nutrient Monitor is a three-in-one meter measuring the ppm, pH and temperature of nutrient solutions in real time!

Item#GPTK500

The pH Test Kit is a liquid tester that covers a pH range of 4.0 to 8.5. Includes sampling tube, reagent and color comparison card. Makes testing easy and reliable.

Item#CWT500

The Combo Waterproof Tester takes highly accurate readings of temperature, pH, EC and TDS.  The combination of quality, features and portability makes this tester a great choice.

Item#HI98136N

The Hanna pH EC TDS Meter with F.S.T. Technology accurately conducts each respective test in one handy unit.

Item#PHT500

The HM Digital pH HydroTester is a reliable pH meter that is ideal for testing applications such as hydroponics and gardening, pools and spas, aquariums and reef tanks, water ionizers, drinking water and more. 

Item#PTP500

These Hydrion pH Test Papers come on a 15-foot roll in a plastic holder. Measures a range of 4 to 9.