Hydrologic Flowmaster Meter (Gallons) growing-media Granulated rockwool as potting mix:

Granulated rockwool as potting mix: When you use granulated rockwool to pot up your plants

No pilot light

Plantmax T5 LEDs provide a white daylight spectrum that your plants will love during the vegetative growing stage

the nutrient delivery system for smaller grows

DE1000Lh (Open) Reflector features:

Hydrologic Flowmaster Meter (Gallons) growing-media Granulated rockwool as potting mix:The 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