Features: - Floats avoiding lost magnets on the bottom of your aquarium on slip griped handle improving cleaning action. - Super strong magnets for use with varying glass thickness. - This is a revolutionary magnetic aquarium cleaner that is made for aquariums, unique because it floats. - Its buoyancy makes it easy to operate and is easily guided around corners without sinking. - The cleaning brush stays free of sand or gravel, preventing scratching and the strong attracting magnets easily remove algae.