Reef ones new patented biorb algae cleaner is set to revolutionize aquarium cleaningr featuresr r better cleaning resultsr unique blade design removes algae in sheets rather than in a cloud allowing easier removal and is tough enough to remove the most stubborn algae even coralline algaer simple to use and less damagingr hi tech polymer blades clean without scratching and prevents grit getting stuck in cleaning surfaces and if the magnetic coupling is released it floatsr the cleaner wor