EasyPro Pond Products OXYL32 Rock and Waterfall Liquid Cleaner, 32 fl. oz. Lifts debris to pond surface where it can be removed by net or skimmer Simply pour into area with most active water movement for best mixing Maintenance Dose 1 flu oz. per 300 gallons Bottle Treats 9600 gallons EasyPro Rock & Waterfall Cleaner - Liquid, 32 fl. oz