The Aquascape Automatic Dosing System for Ponds automatically adds water treatments to your pond, eliminating the guesswork and routine of adding water treatments to ponds and other water features. In order to maintain optimum water quality, water treatments should be added consistently on a regular basis. The Aquascape Automatic Dosing System accurately and consistently applies your choice of specially formulated Aquascape water treatments, providing ideal water conditions. A choice of four treatments provides pond owners with treatment options for a wide variety of pond issues including cloudy water, fish loss, bad odors, and excessive debris. It's easy to use and fully programmable control panel allows the system to be adjusted to precisely suit the size of your pond, automatically adding the correct amount of treatment for your pond. Included x 2 option doubles the dosage for new ponds, problem ponds, or after a pond cleanout. This dependable and quiet system will provide trouble-free use backed by a 1-Year Limited Warranty. Aquascape is passionate about fish ponds and water features, providing innovative and proven products for the water gardening enthusiast.