Aquascape Concentrated Barley Straw Pellets provide a long-term, natural method of clarifying pond water. Barley straw has been used for hundreds of years to promote clean and clear water conditions in ponds and streams. Now, you too can take advantage of this natural method without the hassle of dealing with barley straw bales, a typically messy process. Aquascape Concentrated Barley Straw Pellets start working instantly and the concentrated formulation contains added enzymes to help break down sludge and clean filter pads, significantly reducing required maintenance. Our Barley Concentrated Straw Pellets are safe for fish, plants, pets, and wildlife. The pellets come in a resealable mesh bag and one full container treats 1,000 gallons of water.