Gulfstream Mag Float glass aquarium cleaner contains special abrasive velcro pads that remove algae from the surface of your aquarium.
* Easy removal of algae from glass surfaces
* No longer knock over decorations, damage corals and invertebrates
* No longer get your hands submerged into the water of the fish tank
* Time/money saver on maintenance
Large: Recommend to be used on aquariums up to 350 gallons with a surface thickness up to 5/8 inch