Liquid Gravel Vac is an all-natural product used to help remove sludge, fish waste and other unwanted organic pollutants from your aquarium. Designed to reduce the number of routine water changes needed. Effectively cleans, gravel, substrate, filtration system, Lift tubes & hoses, Ornaments, protein skimmers, and other aquarium accessories. 1 teaspoon per 20 gallons. Available for Freshwater or Saltwater Aquariums. 16 oz (treats 950 gallons) 64 oz (treats 3800 gallons)
