An environmentally responsible, cost-efficient pond conditioner that is a clean, easy, natural, organic approach to a healthy pond environment. A Liquid Extract of Barley Straw Especially Helpful Where Bottom Drains Are Present Tip & Pour Containers Allow for Convenient Measuring! Goes to work on contact . Releases decomposition by-products immediately. Not harmful to aquatic life, plants, humans and pets . One cap-ful is equal to a multiple of barley straw bales . Can be used all year round No messy residual.