AquaLife ACTIVATE is a natural organic formulation designed to accelerate filtration, cycle new aquariums, improve water quality, and reduce maintenance. Directions: ? 1 capful = 5 ml ? Shake well before using. ? For new aquariums, if ammonia, nitrite or water quality problems are present, use 1 oz (30 ml) per 20 gallons weekly for 30 days. ? When adding new fish or after medicating, use 15 ml per 20 gallons once. ? To prevent water quality problems and reduce maintenance, use 10 ml per 20 gallons weekly.