ECOLOGICAL LABORATORIES Barley Straw Extract - 16oz Treats 12,500 Gallons Liquid concentrate barley straw extract is especially helpful where bottom drains exist! New Tip & Pour container allows for convient measuring ! Goes to work on contact ! Decompostion process starts immediately ! Not harmful to aquatic life, plants, humans, or pets ! Can be used all year round ! Specially formulated to Naturally Balance Pond Water & Improve Clarity
