API Doc Wellfish's Hand Held Algae Pad for Acrylic Aquariums

APIs Hand Held Algae Pad is a indestructible cleaning pad made to reach every nook, cranny, corner, and anywhere else algae may be hiding in your aquarium. For acrylic aquariums only.
Made to reach all of your tanks nooks and crannies
Quickly removes unsightly algae
Suitable for acrylic aquariums
If aquarium gravel is picked up on pad rinse before use. Gravel will scratch acrylic surfaces. Do not use extreme pressure.