Colonize your aquarium with beneficial bacteria and enzymes to maintain clear water and establish proper biological filtration. Ideal to use at setup or anytime you add fish. Catalyzes the nitrogen cycle, the most important aquarium biological process, so you can maintain a healthy aquarium. For fresh and saltwater aquariums. Before treating water with Water Repair® Series Colonize, first use Water Repair® Series: Neutralize to remove chlorine and neutralize chloramines. 16 oz size doses up to 960 gallons. 64 oz size doses up to 3,840 gallons. Please click on "More Information" for directions for use. |

















