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.
- Does not cut into silicone joints
- Does not scratch the aquarium glass
- Internal half of magnet floats
- Blade made of high quality, stainless V4A steel
- Spare blades available