Oatey Pool and Spa Cement is a medium-bodied, very fast set blue PVC cement designed for pool and spa applications. Formulated for wet conditions, fast pressurization, and quick installation, it delivers dependable performance in all weather, making it ideal for everything from pool line repairs to spa system maintenance and quick cut-ins. It can be used to solvent weld all schedules and classes of PVC pipe and fittings up to 6 in. diameter with interference fit. It's easy to apply with the included in-lid dauber, providing strong joint strength and consistent results even in damp or humid environments. Oatey products have earned the trust of plumbing professionals for over 100 years.