Laguna Barley Straw helps maintain superior pond water conditions in a completely natural way. The Barley Straw comes in small, slow-release pellet form for easy handling and convenience. Barley Straw is completely natural and will not harm fish or plant life.
One 1.13 kg (2.5 lb) bag treats 4730 litres (1250 U.S. gal.) and lasts 12 weeks.