Bio-Dex Protect All Supreme (1 qt) (2 Pack) Bulding-Materials NSF Certified to ASTM Standard

NSF Certified to ASTM Standard F2208

Designed for Heavy Metal Removal

Also compatible with Zodiac Jandy CV and CL series cartridge filter models 340

Aquasol EZ-ZT4

Bio-Dex Protect All Supreme (1 qt) (2 Pack) Bulding-Materials NSF Certified to ASTM StandardThe Bio Dex Protect All Supreme is a specially formulated stain and scale product that will remove calcium, iron, rust, corrosion and other organic scale buildups. Using this at the start of the season and at the end of the season during winterization will help to eliminate hard water, as well as lower unwanted phosphates. Protect All Supreme is compatible with all filter media types and salt systems. Removes calcium, iron, rust, corrosion and other