Highly efficient in removing even the most stubborn algae from the glass of your aquarium, this Aqua One Floating Magnetic Aquarium Glass Cleaner is an easy-to-use cleaning tool that helps to keep your tank clean and your fish happy. With super strong magnets and anti-scratch pads to keep the glass in tip-top condition, this fuss-free, time-saving tool is a must-have for all fish-owners. It also floats, which means there is no risk of the magnets sinking to the bottom of your aquarium.