GroLine Waterproof EC/TDS (ppm) Tester HPS as they last for the

as they last for the life of your plant

Stronger plant cell walls allow for optimal transport of water and nutrients

9 inches to 22

value-priced stonewool available

GroLine Waterproof EC/TDS (ppm) Tester HPS as they last for theThe HI98318 is our latest pocket meter for measuring the EC TDS of a hydroponic nutrient solution. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. The HI98318 has a very large easy to read LCD display that shows both EC or TDS and temperature along with calibration, stability and low battery indicators. All operations are simplified to two buttons. One is for turning the meter on off and the