Strong Magnetic DesignDesigned With The Magnet, Which Can Kill Bacteria In The Aquarium Water And Improve The Water Quality. Comes With A Cleaning Tool, Can Clean The Aquatic Plants, Algae And Gravel Without Scratching The Glass.Cleaning ToolCan Be Used To Clean The Fish Tank And Provide The Fish With A Good Living Environment . Ideal For Glass Aquariums, Like Freshwater Saltwater Tanks, Grass Tanks.Comfortable GripThe Fish Tank Brush Is Ergonomic, Comfortable To Grip The Brush. User-Friendly Design Makes People Feel Relaxed And Comfortable When Using.Easy To Use And StoreMini Aquarium Brush, It Is Convenient To Use And Store The Brush.Convenient It Is Very Convenient To Clean The Fish Tank And Will Not Scratch The Fish Tank.