Hydrologic DM-2 Industrial Dual TDS Monitor spl_cp Available in an array of

Available in an array of industrial strength sizes

9cm L x 15

HUM-BOLT is a 8% humic acid derived from premium Leonardite

Less space

leaf and stem blights

Hydrologic DM-2 Industrial Dual TDS Monitor spl_cp Available in an array ofMeasure the untreated water coming in vs. the purified water going out of your reverse osmosis system at any time. This is important in determining when the RO membranes need to be changed. Auto Off function conserves battery power. The unit shuts off automatically after 20 seconds. 90 ppm, the resolution is in 10 ppm increments, indicated by a blinking 'x10' image. Factory calibrated: all meters are calibrated with a 342 ppm NaCl solution. Meters can