How to Use:

No electricity or plumbing required

Can function independently or be incorporated into the final stage of any Reverse Osmosis System

33 inches (110 mm)

Replaceable Sensor (model SP-CP)

GroLine HI98318 Waterproof EC/TDS Tester - 0-6 mS/cm for Hydroponics & Nutrients pH 9.5 water filter How to Use:The 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