Pond & Fountain Defoam/Descale is an all in one remedy to some of the most basic, yet harmful issues you will find in your pond and fountains. This all natural formula works instantly to rid your pond or fountain of foam caused by excess organic matter, bringing out their true beauty. This product also clears and fends off scale caused by mineral deposits and water evaporation, making it a must for all pond and water feature owners. Safe for use with fish, plants birds or domestic animals that drink from pond.