Hobby Glass Cleaning Magnet Jumbo

Extra-strong algae magnet removes algae from aquarium glass easily, leaving no traces. Used like ordinary algae magnets. Blade made of high quality, stainless V4A steel, as used in ship-building. Guaranteed not to cut the silicon joints and does not scratch the glass.

For glass thickness up to 12 mm. After use in Marine Water rinse with fresh water.