The Natural Hot Springs Experience: The Natural Hot Springs Bar automatically adds trace minerals to the hot springs, reduces impurities in the hot springs, and creates clearer, cleaner water that makes you feel just as comfortable than in a pure environment Natural hot springs P < p > prolong the service life: This Silver Nitrate Bar will extend the life of your Spa, keep your crystals clean, make your Spa bright, clean and aromatic, and make your guests' Spa experience incomparable current price: this Spa Silver Ion bar is a product based on market research and customer needs. Maintenance lasts up to 4 months and maintenance costs are very low. P < p > It can be combined with an existing filter. Simply place the hot tub rod into the filter. You can enjoy 4 months of carefree Spa experience P Easy to install: This cylindrical silver spa bar is equipped with a comprehensive manual. Installation can be done quickly according to the steps in the manual and is not affected by heat. Can be installed according to the existing process. Put that down.Insert spa bar into existing filter to operate hot tub bar < / p >