ALGAEFIX 16oz ALGAEFIX 16oz $9.25 SKU: AQP169B QTY: Click here to save 5% off of your order! POND CARE ALGAEFIX 16-OZ Algaefix effectively controls green water, algae blooms and blanketweed. This is a fish and plant safe algaecide that keeps pond and water gardens clear by controlling green water; also effective as a preventative measure. When using this product during the summer months, adequate aeration is required. Do not shut pond pumps and aeration devices off at night. Do not use with crustaceans, including crabs, shrimp, freshwater shrimp and freshwater lobsters. 8-oz.treats 2,400 gallons of water. Instructions: Add 1 tsp for every 50 gallons of pond water. Add near the pump outflow. Repeat every 3 days until the algae is controlled. Active Ingredients: Poly ethylyne 4.5% and inert ingredients 95.5%.