Microbe-Lift OPC Oxy Pond CleanerMicrobe Lift OPC Oxy Pond Cleaner helps break down all of that debris! Ecological Laboratories Oxy Pond Cleaner will safely and immediately breakdown accumulated debris from rocks, streams and waterfalls. Uses oxygen power to breakdown unsightly debris! Especially helpful on streams and waterfalls Deep cleans planters and rocks Oxidizes and detoxifies Helps prevent pond odors Use weekly to help remove stressful pond draining Please refer to Alternate