Magnetic Aquarium Brush: Easily clean the inside and outside of your aquarium glass. Its scratch-resistant surface will not scratch the glass. Thanks to its powerful magnets, it securely attaches to the aquarium and will not fall during cleaning. Simply apply it to glass that is 3 to 8 mm thick. 5-minute cleaning: The wide, non-slip handle provides a comfortable grip. A simple movement is enough to clean the inside and outside of the aquarium. Easily clean the outside and inside simultaneously, saving time and energy. Lightweight and compact, allowing you to reach even the smallest corners. Clean your aquarium without getting your hands wet: the brush does not sink to the bottom of the aquarium. It automatically floats on the water surface, so you don't have to handle it to clean it and you don't have to worry about disturbing aquatic animals or plants. After cleaning. The aquarium brush does not absorb all algae and other residues on the glass, keeping it clean and allowing for multiple uses. Warning: If during cleaning you notice that residues on the brush are scratching the glass, clean it immediately before continuing to clean your aquarium. Multifunctional: Suitable for small indoor aquariums, small study aquariums, and small children's aquariums. This product can be used not only to clean aquariums but also shower doors and exterior glass windows.