OBMAO Spa Mineral Stick, spa Mineral Sticks for hot tub Cartridge with 4 Months Lifetime Universal for Pool&Hot Tub to Keep Water Clear(Yellow,4PCS)

Efficient Purification Effect:The spa mineral stick can significantly improve the look and feel of the water,reduce impurities in the hot springs,and keep the spa water clear and clean., Contains 6 Types of Mineral Balls:The spa mineral stick uses 6 types of natural mineral balls,which can automatically add trace minerals to the hot spring,effectively reducing the use of chlorine and bromine gas., Long Life and Low Maintenance: Just put the mineral sticks for hot tub into the existing filter and make it work.The spa wand will work continuously for four months. You will be able to enjoy a worry free spa experience for 4 months, Easy to Install: Spa mineral sticks for hot tub come with a complete user manual. Follow the steps in the manual to quickly complete the installation., Suitable for Most Hot Tub Filters: Mineral bars for hot tubs are suitable for most hydrotherapy and hot tubs. Very suitable for massage bathtubs, recessed bathtubs, walk-in bathtubs, whirlpool bathtubs, hot tub boats, and the easiest to use standard bathtubs.