Defender 32oz. January 14, 2021 Manager $22.95 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 Metal Gon & Defender 2 Pack 16oz. $24.95 Add to cart Filter Cleaner Spray $18.95 Add to cart Renew – Spa Shock $29.95 – $74.95 Select options Spa Up / pH Up 2 lbs $9.95 Add to cart