Aquatic Plant Food Liquid 16 Oz, PondCareFloating Plant FertilizerFormulated to feed all floating plants, such as Water Hyacinths and Water Lettuce to stimulate lush green growth on all aquatic plants. - Benefits bog and marginal plants, such as Iris and Lobelia - Supplies plants with iron and potassium - Will not stimulate algal blooms - Use weekly during the growing season - Treats 960 gallons