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 303 Aerospace Protectant Spray 32oz $32.95 Add to cart FROG @Ease Floating System (for Spas) $56.99 Add to cart Metal Gon 16oz $14.99 Add to cart Filter Clean $14.99 – $29.99 Select options