General description The 10Pcs Hot Tub Sponge Scum Remover is designed to efficiently clean your swimming pool, hot tub, or spa by absorbing unwanted oils and impurities. These flower-shaped sponges are easy to use and help maintain the cleanliness of your water without complicated setups. Technical specifications Quantity: 10 Pcs Material: Sponge Size: Approx. 8.3 cm / 3.3 in Usage Simply place the sponge in a water-filled pool or tub. The sponge will automatically absorb scums, slime, grimes, and oils from the water. Helps prolong the life of your pool filters by reducing the buildup of impurities. Other information Made from high-quality, durable sponge materials that are long-lasting and wear-resistant. Utilizes efficient adsorption technology for effective removal of oils and impurities.