Aquascape CLEAN Automatic Dosing System Water Treatment for Fountain, 32 oz/946ml | 96037 Cleans existing growth and debris in fountains, waterfalls and other water features without fish Eliminates and prevents mineral deposits Will not damage the surface of your water feature Bag treats for up to one full season Ideal for use with the Aquascape Automatic Water Treatment Dosing System for Fountain Features # 96031