API MARINE ALGAEFIX algae control effectively controls these types of saltwater algae: Green algae (Cladophora), “Red Slime” (Oscillatoria & Spirulina major), “Brown Algae” (Cyclotella), in saltwater aquariums containing live corals, invertebrates, and fish. API MARINE ALGAEFIX algae control does not discolor water or cause foaming and does not contain copper.API MARINE ALGAEFIX algae control is registered with the EPA, and will not harm fish, corals, or other invertebrates.Instructions:Add 1 ml. for each 10 gallons or 5 ml. for each 50 gallons of aquarium water. Repeat dose every three days until algae is controlled. Siphon or scrape any dead algae from aquarium. Once algae growth is under control, add one dose per week. Weekly doses will control algae growth and reduce aquarium maintenance.Size: 16 oz.
