These glass algae aquarium cleaners make it so easy to clean your aquarium! The magnet side of the cleaner is placed on the outside of your aquarium. It guides the cleaning unit inside the aquarium and floats if separated from the magnet. No more wet hands! The cleaner can be left attached to the aquarium side.
This model is designed to clean glass aquariums in two sizes:
Small - Up to 30 gallons with glass thickness up to 3/16"
Medium - Up to 125 gallons with glass thickness up to 3/8"