The Hagen 11015 can be used in the following applications:
The Marina Aquarium Algae Scrubber - Hagen 11015 is an algae remover pad that safely and effectively removes algae and other deposits on the surface of aquariums without scratching the glass. The Marina algae scrubber is non-toxic and will not negatively affect your tank's water chemistry or its inhabitants. This algae scrubber tool can clean hard to reach places.
Marina Aquarium Algae Scrubber - Hagen 11015 specifications: