BIO-GOLD is a storehouse of rhizospheric micro-organisms that colonize the root zone creating an unparalleled environment for healthy plant growth. Soil Applications: Mix .6 grams per 1 gallon of de-chlorinated water to make a root drench. For rapid inoculation, add 1.2 grams per gallon. BIO-GOLD may be used every 2-4 weeks. Hydroponic Applications: Mix 0.6 grams per 1 gallon of de-chlorinated water in reservoir and run through system. BIO-GOLD can be used weekly with nutrient change. Using more BIO-GOLD than what is recommended may actually reduce its effectiveness. Do not use hydrogen peroxide with BIO-GOLD.