- Cost-effective Performance: Enjoy up to 4 months of hassle-free spa maintenance with minimal costs. This product is compatible with your existing filter—simply insert the mineral stick into the filter for an effortless experience. - Extended Spa Lifespan: The Nature Spa Mineral Stick helps prolong the life of your spa by keeping the water crystal clear and fresh. It enhances your spa experience, ensuring your guests enjoy a clean and inviting environment. - Natural Spa Experience: Automatically adds trace elements to hot springs, reducing impurities for clearer, cleaner water. Experience the comfort and tranquility of a natural hot spring right in your own spa. Use Scenarios: 1. Ideal for regular spa users seeking to maintain water quality without frequent chemical treatments. 2. Perfect for spa owners who want to provide guests with an elevated, luxurious experience while keeping maintenance costs low. 3. Great for families who enjoy using their spa frequently, ensuring the water remains fresh and inviting for every use.