A Spa with Clean Pipes and Jets is a Healthy Spa. As a long time Spa Service Company, we love this Earth Friendly Biodegradable Product for deep cleaning Spa Pipes, Plumbing and Jets. Simply, pour 1/2 of a container into your spa water, run jets on high speed for 30-60 minutes, then drain, wipe clean and refill your spa. Eco One Pipe CLeanser is a Proprietary Blend of Alkaline Cleansing Agents, combined with Non-Foaming Surfactants to penetrate deep into your spas plumbing, leaving no Residue or Foam, like other products.