Roots Organics HPK 0-5-4, 1 Quart Saucers This device also stores the

This device also stores the minmum and maximum values of the indoor grow room tempreature and humdity

Mother Earth Hydroton Original

While Pure Blend Pro Grow provides accelerated vegetative growth

Silica is missing from hydroponics root zones and fertilizers

Roots Organics HPK 0-5-4, 1 Quart Saucers This device also stores theRoots Organics HPK liquid bloom booster is a specially extracted natural source of phosphorus and potassium. DERIVED FROM 100% Natural Seabird Guano, Bat Guano and Langbeinite Roots Organics HPK liquid bloom booster features a combination of bat guano, an unparalleled source of available natural phosphorus, and langbeinite, a natural source of potassium that is carefully mined from ancient sea beds in the deserts of the American Southwest. Aurora