Hydrologic Flowmaster Meter (Gallons) spl_nextlight with recessed contacts to ensure

with recessed contacts to ensure safety during plug-in

With built-in humidistat controls

forcing root branching

and you are ready to go

A built-in backflow preventer helps avoid oil contamination in case of an unexpected shutdown

Hydrologic Flowmaster Meter (Gallons) spl_nextlight with recessed contacts to ensureThe Flowmaster by Hydrologic measures how many gallons of filtered water have gone through the your grow system and alerts you when it's time to change filters. You can program in the filter capacity and when you reach the target number of gallons, the Flowmaster beeps. This is important for knowing when to change the pre filter for the Merlin Garden Pro. It also ensures your system runs at its peak efficiency for removing contaminants. Available in 3