Microbe Lift 8-Ounce Pond Concentrated Extract Barley Straw MLCBSE250 Especially helpful where bottom drains exist Goes to work on contact Not harmful to aquatic life plants humans or pets Can be used all Year Round with no messy residual One capful is equal to a multiple of barley straw Bales An environmentally responsible, cost efficient pond conditioner Clean and easy Natural and organic approach to a health pond environment Goes to work on contact Not harmful to aquatic life, plants, humans and pets