Hydrologic Flowmaster Meter (Gallons) beneficial microbes It combines an Xtrasun open

It combines an Xtrasun open double-ended reflector with a variable-wattage Xtrasun DE ballast and a high-PAR Xtrasun DE high-pressure sodium lamp

evenly distributes ONA for areas up to 10

#4 Perlite (1/3" - 3/4" granules)

HO lamps: 4 included

Hydrologic Flowmaster Meter (Gallons) beneficial microbes It combines an Xtrasun openThe 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