Hydrologic DM-2 Industrial Dual TDS Monitor ac-dehumidification-humidification and can be used with

and can be used with or without water cooling

4"x10" Carbon Filter

and prevents your nutrients from falling out of solution

Xtrasun 8" Reflector - Air Cooled

Bug & pathogen free Dry compressed granules offer flexibility and are used as needed

Hydrologic DM-2 Industrial Dual TDS Monitor ac-dehumidification-humidification and can be used withMeasure 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