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 Spa 56 – Chlorinating Granules $32.99 – $75.99 Select options Renew – Spa Shock $32.99 – $75.99 Select options Cover Care & Conditioner 16oz. $19.99 Add to cart Filter Clean $14.99 – $29.99 Select options