Natural Chemistry Spray-On Cover Cleaner uses the power of natural enzymes rather than harsh chemicals to clean your solar or winter cover, yet gives up nothing in terms of overall performance. Simply connect to a garden hose and spray your cover with the solution. It goes to work fast, cutting through the worst dirt, grime, and other non-living organics that have ruined its looks, restoring it to like-new condition. Best of all, Spray-On Cover Cleaner is made by Natural Chemistry, a pioneer in bio-based pool treatments, allowing you to buy with confidence