Each 8 oz. bale treats around 500 gal. of pond water
These Barley Straw Bales contains natural ingredients. Barley Straw works with the sunlight exposure and oxygen so that the compounds are converted into low levels of hydrogen peroxide to help in improving your water quality making it clean and clear. Each eight ounce bale treats approximately 500 gallons of pond water and will last 3-4 months. For best results apply Barley Straw Bales into your pond water early in the season.