Hot Tub Cleaning Balls, 4 Pack Reusable Hot Tub Cleaning Balls Machine Washable Spa Pool Accessories (Blue)

Cleaning performance: highly effective cleaning balls with special honeycomb structure to absorb oils and dirt in the hot tub or pool. CONVENIENT SIZE - 7cm diameter per ball, ideal for hot tubs and swimming pools, set contains 4 blue cleaning balls. Easy to use: just put the balls into the water, where they automatically absorb impurities and improve water quality. EASY CARE - Machine washable possible, reusable and easy to clean for long life. VERSATILE USE - Ideal for hot tubs, pools and spa areas, improves water quality and reduces cleaning effort.