Spa Filter, Mineral Purification Cartridge, Mineral Purifier, Mineral Sticks for Water Clarification, Install in the Pool Cartridge Filter

️️Natural Hot Spring Experience: The mineral bar can automatically add trace elements to the hot spring or pool water, reducing impurities and keeping the water clear. Premium Materials: This mineral purifier is integrated into the pool to keep the water fresh. It reduces the need for bromine and chlorine while providing powerful hygiene for your spa or hot tub. Easy to Install: Simply place the mineral purifier into your existing equipment. Insert the assembled extension rod into the spa's mineral sanitizer to complete the installation. Low-Cost Maintenance: The mineral purification cartridge is suitable for a 500-gallon/2000 L/sq ft spa, whirlpool, and pool, lasts between 3 and 4 months, has a low maintenance cost, and lets you enjoy clean water worry-free! Wide Range of Applications: The mineral stick fits most spas and whirlpools, and is suitable for pools, walk-in tubs, hot tubs, alcove tubs, and most standard bathtubs. Easy to use.