Nature 2 Spa Purifier W20750

Nature 2 Spa Purifier W20750 Treats 1000 gal.Nature 2 spa purifier W20750 fits inside of your spa's filter cartridge and purifies the spa water while it's filtering. It kills algae and bacteria. (Should not be used in spa's treated with Bromine)The Natural Alternative to Chlorine (and Bromine too!)Nature2 is a water purifying system which uses trace elements to maintain a more balanced spa. Using Nature2 allows you to use significantly less harsh chemicals. The silver in Nature2 combined with chlorine assists in maintaining the sanitation of the spa. Nature2 keeps spa water stable even in hot weather. Lasts 4 months, for spas up to 1000 gallonsMakes spas easy to manage, halogen-free. Improves performance of ozone-equipped spas. Assures and odor-free spa. Significantly improves look & feel of water Simplifies water balance - It's unaffected by heat.9 out of 10 spa users prefer Nature2 over their old method.Shipping included in the continental U.S.