Seachem Duo Pad Non-Scratch Dual Surface Alge Pad for Glass and Acrylic

Made of melamine foam, the Seachem DuoPad features Micro Abrasive Technology with Added Durable Scrubbing Surface to make cleaning your aquarium a cinch. It is safe for glass and acrylic aquariums and includes no soaps or detergents. The SeaChem DuoPad also effectively removes algae from scratches.