Aqua Source Blanketweed Resolve Pond Water Treatments. This treatment effectively treats and prevents blanketweed in ponds by targeting the phosphates that contribute to string algae growth. It remains effective even in lower temperatures and is safe for all pond fish, including koi and sturgeon, wildlife, and filter bacteria, as it is free of algaecides, biocides, pesticides, ammonium compounds, and metal salts. To use, simply sprinkle the required dosage around the edges of your pond every 10 days for 30 days. The pond water may become cloudy for 3-4 days after application, which is normal. Dosage Instructions: Use 25g of treatment per 750 liters of pond water. Repeat the dose every 10 days for a total of 30 days if needed. For ongoing prevention, add one dose monthly. Specifications: Tub Size: 1kg Treats: 30,000ltrs (6,600 gallons). UV Clarifier can be left on. Can be used with other medications. Wash hands after use and keep away from children.