MICROBE-LIFT CONCENTRATED BARLEY STRAW EXTRACT ALGAE CONTROL FOR PONDS A Liquid Extract of Barley Straw Especially Helpful Where Bottom Drains Are Present An environmentally responsible, cost-efficient pond conditioner that is a clean & easy, natural & organic approach to a healthy pond environment. works by binding excessive nutrients that exist in natural ponds as a result of organic waste by-products. For centuries, barley straw has been used to bind nutrients and assist in maintaining clear water. - 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 bottle is equal to a multiple of barley straw bales - Can be used all year round - No messy residual