Super Oil Absorption AbilityThe hot tub scum sponge can not only collect scum, slime, dirt and oils that come straight from the water and save the life of filters, but also help eliminate scum that accumulates in swimming pools forms. hot tubs and hot tubs. Extend the life of the filter and improve the efficiency of the filter. Easy to UseJust put the hot tub spa accessories in a swimming pool or bathtub filled with water, it will start absorbing the oil by itself, when the sponge is fully absorbed, just squeeze out the oil, rinse, and then the sponge can be used again. Safe MaterialOur spa foam remover made of high quality sponge, non-toxic, environmentally friendly, durable and reusable, strong fat absorbing capacity. Wide ApplicationHot tub suds removing sponges help eliminate the inanimate suds in swimming pools, hot tubs, jet baths, massage bathtubs and spas. Perfect for cleaning your hot tub or swimming pool.