Mineral Sticks for Hot Tub Spa in Filter Mineral Stick Cartridge Stick Parts Sanitizer Stick for Hot Tub Spa Swimming Pool Fish Pond Filter Cartridge, Last for 4 Months(Yellow 2PCS)

• 【Extend Your Spa's Life】Our silver nitrate sticks keep your spa crystal clean and fragrant, extending its lifespan and providing an unparalleled guest experience. • 【Transform Your Spa Experience】 Spa Mineral Sticks add trace minerals to your hot tub, reducing impurities and creating clearer, cleaner water for a pure natural hot spring experience. • 【High-Performance, Low-Cost】Based on market research and customer needs, our hot springs silver ion sticks last up to 4 months and have a low maintenance cost. Use with your existing filter for a carefree spa experience. • 【Easy Installation】Our silver ion cartridge hot springs sticks come with a complete manual and can be installed quickly and easily, unaffected by heat. Simply insert the hydrotherapy rod into your existing filter and let it work its magic. • 【Fits Most Spas & Hot Tubs】Our mineral rod parts are suitable for spas and hot tubs up to 500 gallons/2000L, with a minimum required filter length of 6.5 inches and minimum filter hole diameter of 1-1/4 inches.