Hobby Blade magnets

Easily removes algae from aquarium glass without leaving traces. Use as normal algae magnets. Blade (blade) made from high-quality stainless V4A steel. Guaranteed not to cut into silicone joints and not to scratch the glass.

Up to 8 mm thick. Rinse with fresh water after use in seawater.

Hobby Blade magnet

Easily removes algae from aquarium glass without leaving traces.