Directions: Quick Clean; Sand Filter: Turn off inlets for all chemical feeders. With pump running and filter in the backwash position add 6 – 16 ounces through the skimmer. Optional Sand Filter Cleaning: Add directly into the filter media, let soak for 4 hours or longer. After soaking, start pump with filter in the backwash position. Quick Clean Cartridge and DE filters: Remove media from filter and spray from top to bottom. Allow to stand for 5 minutes. Rinse thoroughly with a hose and replace for normal operation. Optional Cartridge and DE filters cleaning: Add 16 ounces of Filter Magic to 2.5 gallons of fresh water. Remove media from filter and soak in solution for 30 minutes or longer. Remove and rinse. DO NOT use in steel, aluminum, or metal containers.