Take out the water absorbing sponge and let it rest for 10-20 minutes to return to its original shape. Put the absorbent sponge into the swimming pool, spa, hot tub, etc. Then the cleaning sponge will absorb the foam, oils and other organic matter by itself. The water from the swimming pool, spa or hot tub will be cleaner and beneficial to your skin. Package includes: 12pcs white spa accessories vacuum packed oil absorbing sponge. After opening the hot tub sponge, the foam will return to its original shape after a period of rest. Strong adsorption capacity: The weight that the absorbent swimming pool sponge can absorb is 40 times greater than its own weight. By collecting organic matter in the water, it can avoid the formation of foam around the pool and reduce the clogging of the filter. The oil sponge can be quickly regenerated after wringing and can be reused. Multiple uses: The absorbent spa sponge can be used to absorb scum formed in swimming pools, hot tubs, spas and other