SUPER MAGNETIC FORCE: This magnetic brush has super magnetic force, powerful cleaning power to make your aquarium glass shiny and clean. EFFICIENT AND MULTIFUNCTIONAL: Our magnetic scraper can clean the inside and outside the aquarium without leaving dead corners. You can also clean your windows and other glass materials. NO DAMAGE TO FISH: This magnetic brush has a scratch-resistant velcro design, which can effectively clean the aquarium without damaging the glass. REMOVING ALGAE: Our magnetic brush is also equipped with an algae scraper, which makes it easy to remove algae attached to the aquarium wall. COMFORTABLE TO USE: The handle has a bionic design, a comfortable grip, and it is easy and effortless to clean the fishbowl.