Algaefix Marine controls a wide variety of algae types in marine (saltwater) aquariums, and is EPA-registered as reef-safe. It will not harm marine fish, corals or other invertebrates while eliminating algae growth and keeping your tank clean and clear.
When used as directed, Algaefix Marine effectively controls green algae, "red slime" and "brown algae". Use in saltwater aquariums containing live corals, invertebrates, and fish. It will not harm coralline algae, discolor water, or cause foaming.Treats: 1 ml treats 10 U.S. gallons of water or 5 ml for each 50 gallons of water.Directions: Add 1 ml (1/5 tsp) for each 10 U.S. gallons or 5 ml (1 tsp.) for each 50 U.S. gallons of aquarium water. Repeat dose every three days until algae is controlled. Siphon or scrape any dead algae from the aquarium. Once algae growth is under control, add one dose per week. Weekly doses of Algaefix Marine will control algae growth and reduce aquarium maintenance. It is a violation of federal law to use this product in a manner inconsistent with its labeling. For indoor aquarium use only.Active Ingredient:Poly [oxyethylene (dimethyliminio) ethylene (dimethyliminio) ethylene dichloride]: 4.5%Other Ingredients: 95.5%