This is a revolutionary magnetic acrylic aquarium cleaner that is made for acrylic 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. Made with high quality cleaning material and felt, high grade ABS casing. Click here to see the Mag-Float in action!