Milwaukee PH600 pH Meter

Milwaukee PH600 pH Meter Milwaukee's most affordable pH meter.  The pH 600 is a full range pH meter with a range from 0.0 - 14.0 ph. Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH values...

Bluelab pH pen

The Bluelab pH Pen 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 your hydroponic system. It also...

Bluelab pH Probe Only

Bluelab pH Probe Only Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel. Gel filled (non-refillable) making it maintenance free and a double...

Hanna GroLine pH Tester

The Hanna GroLine HI98118 pH/temperature tester is a pocket meter for measuring the pH of a hydroponic nutrient solution.   This modern looking meter is only 0.7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98118 has...

HM Digital pH/Temp meter PH80

pH/temperature meter.

Hanna GroLine PH Checker Tester

The Hanna GroLine PH Checker Tester HI98115 features advanced features for the measurement of pH in hydroponic nutrient solutions.   The HI98115 is a very simple meter to operate with all functions including turning on/off and calibration...

Bluelab pH Controller

Hands-free monitoring and dosing of solution pH levels. Features:• Automatic control and monitoring of system pH with reservoirs up to 200 US gal / 760 L• Plant-safe green back lit LCD with adjustable brightness• Large, easy to read...

Hanna GroLine pH/EC/TDS Combo Pen

Hanna GroLine pH/EC/TDS Combo Pen   Designed to bring simplicity to nutrient testing, the HI9814 Portable GroLine Meter is designed specifically for Hydroponic growers. The specialized electrode combines 3 sensors in a single rugged probe...

Bluelab Leap pH Probe (Probe Only)

Bluelab Leap pH Probe (Probe Only)

Bluelab Soil pH meter with probe

The pH level of soils or substrates strongly influences crop performance. Do you know what the pH of your soil is? Soil pH measuring made simple! If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just...

Bluelab Soil pH Probe Only

The pH level of soils or substrates strongly influences crop performance. Do you know what the pH of your soil is? Soil pH measuring made simple! If you need to measure the pH level of soil, media or substrates, then the Bluelab Soil pH Meter is just...