Hydrologic DM-2 Industrial Dual TDS Monitor grow-light-bulbs Movable: 4 casters allow the

Movable: 4 casters allow the unit to be pulled in any direction smoothly

Balanced: proper pH range to improve nutrient availability

Rated life span 20

• Store dry or liquid fertilizers

Compatible with all LightRail 3

Hydrologic DM-2 Industrial Dual TDS Monitor grow-light-bulbs Movable: 4 casters allow theMeasure 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