Lowest cost and easiest way to eliminate green hair, bubble, turf and slime algae from your aquarium (hopefully permanently). This new test version of the algae scrubber is much easier to build than the waterfall version (the Mega Powerful one), and is perfect for nano's. This new scrubber has never been posted before May 2012. It works in both freshwater and saltwater. If you are like most aquatic hobbyists, nuisance algae is an ongoing problem. You try to feed your livestock, and the