Clean Clear Blue is a safe and easy to use complete pond treatment. Clean Clear Blue is a blend of naturally occurring beneficial bacteria and our Pure Blue Pond Dye. One gallon of Clean Clear Blue contains up to 3 times higher CFU count than the average products on the market at approximately 600 billion and the densest, commercially available dye on the market. Both are combined in a 1 gallon container. Our special blend is manufactured under the strictest quality control to assure its efficiency and effectiveness.