Magnetic glass cleaner for aquarium panes. Key Features: • Cleans the aquarium glass without getting your hands wet: magnetic glass cleaner to remove algae from panes. For panes of 6-15mm thickness, depending on magnet design. • Attach the magnetic parts facing each other on the inside and the outside of the aquarium pane and remove the algae with circular movements. • Easy handling: sturdy grip with grip recess. • Strong magnets for good adhesion and quick cleaning.