Key Features Easy to use Magnetic pads keep it safely attached to your aquarium glass Easy to read thermometer integrated into the brush Non slip gripped handle for improved cleaning action Can be used with varying glass thicknesses. Anti Scratch cleaning pads that are highly efficient in removing algae from glass. Compact design Pisces Magnetic Aquarium Algae Glass Cleaner with thermometer , a great choice for keeping your aquarium glass clear. Over time aquarium tanks can develop algae, even the most healthiest of fish tanks can become “dirty” with this green algae. Cleaning it is easy with the magnet based glass cleaner. Simply place the back part inside the tank and the front part on the outside of the tank, the magnet will hold them in place together. The strong magnetic bond allows the magnet to be moved along the glass, while doing this the brush pad on the inside of the tank will remove the algae that has stuck to the tank. This Magnet glass cleaner is effective at scraping