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 Leisure Time Brom Tabs 2.2 LBS $36.99 Add to cart Test Strips $14.99 Add to cart