Convenience: It is very convenient to clean the fish tank will not scratch the fish tank. Scope of application: It can be used for clean fish tanks provide a good living environment for fish. It is very suitable for small glass aquariums, such as fresh sea tanks, grass tanks. Strong magnetic design: The magnetic design is adopted. When you move the outer magnet, the inner magnet moves with it, thus cleaning the glass improving the quality of it. It can also clean aquatic plants, algae gravel without scratching the glass. Comfortable grip: Magnetic aquarium glass filter is ergonomically comfortable to hold the brush. Humanized design makes you feel relaxed comfortable when you use it. Easy to use to store: Big little cleaner tank makes it easy to use to store brushes.