Chemical test kits for testing aquarium water for pH, alkalinity, ammonia, nitrate, residual ozone, silica, copper, calcium, phosphate, oxygen, chlorine, harness, iron and carbon dioxide; chemical additives for use in aquariums; biological additives for use in aquariums, namely, live bacterial strains for aquariums and ponds; food for bacteria to promote bacterial colonization and increased growth rate of bacteria; color enhancers for aquarium plants; color enhancers for aquarium corals and o...