Hanna Instruments pHep - pH Tester tester The Stealth RO 300 produces

The Stealth RO 300 produces 300 GPD of ultra pure water

All you have to do is place the probes directly into the chamber for direct measurement of nutrient solution

Same quality

The Bubble Magic Dry Sift Tumblers allow you to tumble a capacity of up to 150

77 EC solution

Hanna Instruments pHep - pH Tester tester The Stealth RO 300 producesThe HI98107 pHep is an easy to use pH water tester that makes monitoring water quality simple. This accurate pH tester features 0. 1 resolution with automatic two point calibration and temperature compensation in a single, portable, pocket device. Compact design fits right in your pocket so you can take it anywhere. Cloth junction providing a larger surface area than a standard ceramic junction Great for drinking water, aquariums, pools, & ponds