Mighty Mag Aquarium Algae Cleaner
The Lifegard Mighty Mag aquarium algae cleaner is a simple and easy way to remove that annoying film algae that forms on your aquarium's glass every few days. Its small size means that it can be discreetly hidden out of sight when not in use. Perfect for both freshwater and saltwater aquariums.
Maximum glass thickness: 10mm (0.39")
Approx. 1 7/8" in diameter
Note: Not recommended for acrylic aquariums. The scrubber side does not float