Pristine Extra is used in the start up of the Pristine Blue chemical system. This chlorine shock dissipates rapidly, thus bringing your pool or spa back to a non-chlorine status quickly. Pristine Extra may also be used for troubleshooting pool and spa water.

Contains 99% sodium di-chlor (granular chlorine). It is an effective shock treatment that can be used at start-up, routine maintenance or for troubleshooting as needed. It is a primary sanitizer.