PurePlus delivers the ultimate in maintenance and sanitization kits for spas. Depending on the needs of your spa, choose from many combinations of sanitization products including Natural Chemistry, Nature 2, SPA FROG, and DEL Ozone. Whether you’re doing routine maintenance on your spa or sanitizing it for the first time, the PurePlus kits are the perfect packs to get you started and on your way to clean, clear and healthy spa water.