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Review title: Harsh for a mild clean
Product review: This magnet is better suited for glass aquariums that get a lot of algae on the surface of the glass. For day-to-day or average use, the magnet bristles are too harsh and will gladly host any particles floating in the water that will scratch your glass. So be careful, they way to use it is to rinse both surfaces of the cleaner (outside and inside) to make sure there aren't any particles stuck. Then, as you are doing a water change, use a sponge to wipe the inside of the aquarium making sure you eliminate any particles or sand stuck to the glass. Then use the magnet (make sure you pair it only once). If you follow this process you will reduce the chances that you will scratch the glass. I am giving it two stars because for me all these steps are an inconvenience.
