Defender 32oz. View cart “Test Strips” has been added to your cart. $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 Cover Care & Conditioner 16oz. $19.99 Add to cart Bromine – Spa Dispenser $19.95 Add to cart Leisure Time Brom Tabs 2.2 LBS $36.99 Add to cart Aqua Comb $26.99 Add to cart