CleanMAX+ cleans in seconds of application to remove debris, add oxygen and clean the pond from top to bottom. Use CleanMAX+ on waterfalls, plant pots & streams.PondMAX CleanMAX+ brings safe and powerful oxygen-based cleaning to ponds, fountains, statues and other waterfeatures. Great for use in koi ponds. For Best Results - Apply in the morning under sunny, calm conditions. Debris can be removed from pond by skimmer or net. Use when pH is between 7.0 to 8.0. Standard Application - Apply 30ml for every 1000L of water once a week. Can be applied directly to the pond. Product can be mixed in a bucket of pond water to evenly spread around pond or fountain. Application can be repeated every 3 days until desired results are achieved. Features - Creates a healthy and clear aquatic environment Reduces overall pond maintenance Works to eliminate unwanted aquatic debris To calculate approximate pond capacity - Length (M) X Width (M) X Average Depth. (Measurements in Metres X 1000 For Litres)