Removes ammonia, nitrite, nitrate, phosphate, nuisance algae, CO2 from your aquarium water
Adds oxygen, pods, and raises pH of your aquarium water
You can feed some of the algae to your fish or snails!
Entire unit, or just the screen, can be removed for cleaning with just one hand
Euro plug. From the inventor of the very first waterfall algae scrubber in 2008