Defender 32oz. January 14, 2021 Manager $19.95 Add to cart Add to Wishlist Category: Spa Chemicals Description Description A concentrated formula developed to help prevent scale formation, use weekly for continued protection. Related products Bromochem 1.5lb $19.95 Add to cart Jet Blaster 16oz. $11.95 Add to cart Prefilter $21.95 Add to cart