<1. Please pay attention to your hands, dont put your hands in the middle of strong magnets, the fingers will be very painful if you get caught 2. Please don't put the strong magnetic brush together easily. If you need to put it together, please put a piece of thick cardboard in the middle, because it is very difficult to separate it completely Made with rare earth magnets for incredible cleaning strength and durability. Cleans even the most stubborn coraline algae Preventing scratching: The scrubber side is made of fabric with tiny hooks that scrape off the algae without damaging the glass. Floating and easy to storage It floats so you never have to worry about it sinking to the bottom of the tank and you can retrieve it without having to wet your hands When not in use it can be directly adhered to the glass without additional storage Each aquarium cleaner individually aquarium tested to assure highest quality
Features:

Fast Cleaning BrushStrong magnetic aquarium cleaner helps you to scrape the algae off the fish tank quickly and completely just drop the scraper side into the water no hands get wet and no damage to corals you will love the feeling of scraping the algae off tank. Medium mall size brush is suggest for fish tank 90-200 gallon glass thickness 0.39-0.67in

FLOATING DESIGNThe internal floating avoids the brush sinking in the bottom of aquarium It floats in water and never sinks to the bottom of the tank if separating makes it convenient to take it out of the tank

MULTI-PURPOSE USAGEAquarium glass cleaning brush can be used not only in the aquarium but also for cleaning windows glass doors and other glass or various fish tanks that will not be demagnetized such as acrylic, glass or plastic

ALGAE SCRAPERInstall a sharp blade as algae scraper in the head of the brush which easily removes stubborn marks, even if around corners The inside anti-scratch cleaning pads cleans fast and efficiently without scratching the aquarium glass

How to avoid scratchesgenerally this aquarium cleaning brush will not scratch the tank but it may cause scratches if the blade gets defects or it picks up small pieces of sand or gravel pancaked between the sides during a flip So please inspect the blade before use dont use it near sand clean the brush timely after use