Bio-DexPAO32EA Protect-All Supreme Stain and Scale Remover is a super concentrated stain and scale remover that is perfect for spring opening and winter closing. This easy to use stain and scale remover is compatible with all filter media and salt systems. If you are looking to eliminate hard water problems like calcium build-up, then Protect-All Supreme should be your chemical of choice. Not only will Protect-All Supreme remove organic stains, but it will continue to prevent them from ever coming back.

Intial Dose: 1 qt per 20,000 gallons.