Faster, better, less mess and easier to apply than bales, pillows and pads. Made with 100% Natural and organic ingredients, this product improves water quality, fish and plant health. Barley Straw Pellets are the most convenient form of barley today. They should be introduced preferably where water is flowing and the depth is less than three feet. You may also place some in your filter media box. Apply every six weeks. You may start your application any time of the year.