Crystala Filters SPA Mineral Stick/Hot Tub Stick in-Filter Cartridge, Compatible with Most Spas and Hot Tubs, Last for 4 Months (2PCS, Gray) Campaign

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Crystala Filters SPA Mineral Stick/Hot Tub Stick in-Filter Cartridge, Compatible with Most Spas and Hot Tubs, Last for 4 Months (2PCS, Gray)

High-quality material: Crystala Filters Mineral Sticks for a hot tub is made of natural minerals, which can dissolve trace mineral into the water. Therefore, it can reduce impurities in the water and protect you from unknown ingredients to improve your spa experience.
Excellent filtration system: If you have been looking for how to enjoy your spa with a mind at ease, the solution is here. No other complicated process is required. Only one mineral stick can make water filtration more thorough and ensure your spa time is more comfortable.
Cost-effective: Despite the Crystala Filters Mineral Stick has affordable price, it can extend the life of the spa. Keep your spa clean and comfortable for about 120 days and up to 2200L(depending on the pool water volume)
Wide Application: The Crystala Filters Hot Tub Stick is suitable for most spas and hot tubs.Applicable to walk-in bathtubs, jacuzzis, alcove bathtubs, inflatable spas, hot tub boats, and most easy-to-use standard bathtubs.
Easy to install: These mineral sticks can be installed quickly in a few minutes without any tools. You just need to unscrew the cap and put the spa mineral cartridge stick in the filter. And you can enjoy a relaxing time at the spa！