Aqua-Derm for Ponds is a water conditioner and synthetic slime coat for pond fish. Combining the proven dechlorinating ability of INSTANT DeCHLOR, Aqua-Derm for Ponds conditions, coats and protects. By removing chlorine and chloramines, and binding up toxic heavy metals, Aqua-Derm for Ponds provides a protective coating that helps fish resist injury and aids in the natural wound-healing process.