Solve away green-water, algae and blanketweed issues in a pond environment  Works like barley straw without the unsightly bales.  Key Features:  Works like barley straw without the unsightly bales Treats green-water, algae and blanketweed Falls outside of the biocides regulation that removed Barley Straw Extract Consumes phosphate Harmless to filters and all species of pond fish, plants and water using wildlife