Welcome to the store! Effective Purification: This spa mineral stick ensures crystal-clear, odor-free water, dramatically improving your spa experience by preventing cloudiness and impurities. Enjoy the look and feel of pristine water. Reduce Chemical Use: Made from healthy ABS and natural minerals, this hot tub mineral stick minimizes the need for additional chemicals like chlorine or bromine. Experience a gentler spa treatment, reducing skin irritation for a more pleasant, rejuvenating experience. High-Value Performance: These spa mineral sticks last up to 4 months with minimal maintenance. It can be used with your existing filters. Simply insert the hot tub stick into the hot tub filter. You can enjoy a hassle-free spa experience for up to 4 months! Keeps your water clean and pH-balanced, extending the life of your spa or hot tub. Compatibility: Suitable for various spas and hot tubs, including Jacuzzis, alcove tubs, walk-in tubs, soaking tubs, and standard bathtubs. Achieve quick installation and enjoy a revitalized spa experience. Suitable for spas and hot tubs up to 500 gallons / 2000L. Easy to Install: It can be installed with existing flow. Just place the hydrotherapy stick in the existing filter and let the hot tub stick work. Please note: the physical slight color difference or difference does not affect the use, please don't mind it, thank you! Material: ABS+minerals color: Yellow Package Contents: 2 x spa mineral stick Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!