Leisure Time Jet Clean keeps spa and jetted tub plumbing clear of organic impurities, oils, dirt, and minerals. Using this product can prevent buildup that could restrict water flow and damage equipment. It is a low foam producing product, so extra foam down products won't be necessary. Clean what you can't see! Jet Clean keeps your spas inside plumbing clear. It is compatible with chlorine, bromine, and biguanide sanitizing systems.