SAFE:Floating sponge on the surface of water is easy to be seen by you,in case of slipping.
EASY TO USE:Throw the spa sponge in and letting the filter pump run for a while, and let they float around freely (flip occasionally)
SUPER ABSORBENT:T Box Oil Absorbing Sponge absorbs inanimate scum, suntan lotion, body oils, cosmetics, pollen, etc. without absorbing any water. Perfect for cleaning your bath tub or swimming pool.
HOT TUB MAINTENANCE KIT:By keeping inanimate scum and oils away from filter, it can maximize the filter's life span and minimize maintenance costs. Helps eliminate the inanimate scumline that forms in hot tubs, jetted tubs and spas.
Notice: Don't use liquid detergent or enzyme liquid to clean the product. It would accelerate the decomposition of product and become brown. So, it is recommended using water to clean.