Defender 32oz. $24.99 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 Mineral Purifier Spa Frog $41.99 Add to cart Renew – Spa Shock $32.99 – $75.99 Select options Spa 56 – Chlorinating Granules $32.99 – $75.99 Select options Enzyme $21.99 Add to cart