Pond Shield 1.5-Gallon Non Toxic Epoxy, Silver Water proof formula suitable for use in a wide range of climatic environments from hot to freeze/thaw conditions Specifically designed for underwater use and to be non toxic and fish and plant safe Self priming formula allows for reliable adhesion for a finished surface that is easy to maintain Can be put into service in as little as 24 hours Can be applied to any constructed surface made of wood metal or stone as well as most plastics and other coatings