GroLine HI98318 Waterproof EC/TDS Tester - 0-6 mS/cm for Hydroponics & Nutrients pH ORP controller and mercury — plus six

and mercury — plus six additional heavy metals and contaminants — while infusing your water with calcium

The kit includes storage solution

Do not contaminate solution by dipping used probes directly into bottle—always pour into a separate container

Aquarium and reef tank pH management

GroLine HI98318 Waterproof EC/TDS Tester - 0-6 mS/cm for Hydroponics & Nutrients pH ORP controller and mercury — plus sixThe 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