Hydrologic Flowmaster Meter (Gallons) beneficial microbes What it is: A highly

What it is: A highly active and balanced blend of microbes and humic substances that combines photosynthetic cultures and essential elements

Designed for use with Hydrofarm and PARsource high frequency DE fixtures and ballasts

evenly distributes ONA for areas up to 10

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

A post polishing de-ionization filter that removes any remaining PPM down to zero

Hydrologic Flowmaster Meter (Gallons) beneficial microbes What it is: A highlyThe 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