Aquascape Maintain for Ponds is ideal for use with the Automatic Dosing System, and the treatment is specially formulated to maintain ponds containing fish and plants. Aquascape Automatic Dosing System water treatments are specially formulated and automatically added consistently throughout the day, providing optimum water quality and clarity. The Maintain treatment will help to significantly reduce maintenance and fish loss, allowing you to spend more time enjoying your pond and less time maintaning it. Each bag of treatment treats a 2,000 gallon pond for up to 30 days.