House & Garden Roots Excelurator is the most powerful root stimulator currently available. It is our showpiece in the area of nutrients! House & Garden Roots Excelurator creates a healthy environment where the root zone can thrive, and now, House & Garden Roots Excelurator comes in a Hydroponic applicable Silver version! Unlike House & Garden Roots Excelurator Gold , the Silver is thinner in consistency and is meant for hydroponic applications such as ebb & flow and other applications where the water is reused or aeroponic setups that have very fine emitters. This powerful root stimulator ensures explosive growth of the roots, rids the plants of brown root & root diseases, and provides an excellent rhizosphere (root environment) in hydroponic substrates. Roots Excelurator creates a film around the roots, which functions as a kind of membrane. It keeps harmful diseases and pathogens out of the root zone but allows ultra-efficient absorption of nutrients. Roots Excelurator also isolates harmful pathogens and prevents them from reproducing. Roots Excelurator is comprised of: Cold Pressed Norwegian Sea Kelp Vitamin B complex A proprietary seed extraction Molasses and other ingredients Beneficial microbial inoculants Dilution Rate - Dilution Rate of Roots Excelurator is 0.3ml/L