Features 1. Super absorption capacity: The weight of absorbed oil, slime, residue and other types of slag is about 40 times its weight, but it does not absorb moisture. 2. The sponge helps reduce the load on the filtration system and filter by absorbing scum and emulsion / oil, thereby maximizing its service life, minimizing maintenance costs and saving you time. 3. Simply throw in the oil-absorbing sponge and let the filter pump run for a while to make it float freely (occasional turning) to complete the cleaning of the pool. 4. Oil-absorbing sponge helps eliminate inanimate debris in swimming pools, whirlpools, jet baths, massage baths and spas. Specification Product material: sponge Weight: 5g / piece Package List :16 * oil absorbing sponges Note:Do not use liquid detergent or enzyme solution to clean the product. It accelerates the decomposition of the product and turns it brown. It is recommended to rinse with water.