Super Magnetic Aquarium Brush : It is very easy to clean the glass inside and outside the water tank. The wiping surface of the aquarium glass wipe is composed of a scratch-resistant surface. It will not scratch your aquarium glass. Inside and outside are placed. There are magnets, strong magnets make it firmly attached to the aquarium, you don't have to worry about it falling off easily during cleaning. Simply absorb it on the glass to treat a glass thickness of 3-8mm. 5 Minute Cleaning : Non-slip handle design and large handle make your hand very comfortable to hold and use. It does not require too much force to move it when you wipe it, it can slide smoothly during the cleaning process, move the outer parts, the internal parts will also move, you can clean the inside and outside of the aquarium at the same time, saving time and energy. The aquarium brush has a light and small volume, which can clean these corners well. Clean the aquarium without wetting your hands : don't worry