A special blend of highly activated carbon - an economical filter carbon for the tropical fish hobbyist. Removes colors, odors & poisonous waste from fresh and saltwater aquariums. Can be used in all filter cartridges. Usage:...
Advanced filtration material. Better than carbon alone! Convenient pouches treat up to 20 gallons. The most scientifically-advanced filter media available. For sparkling clean water and healthy fish. Bio-Chem Zorb is a blend of 2...