Good bacteria cleaning water in Georgia Aquarium's huge oceanic exhibit delivered a nice surprise to researchers. The aquarium wanted to know which bacteria were at work, so oceanic biochemists ...

Scraping muck and slime from the side of a tank, and continually cloudy water, annoys many fish owners. But now a young designer has created a fish tank that she claims never needs cleaning, the water ...

Sea creatures need to go to the bathroom, too, and in aquariums, that creates the task of cleaning the water of waste like ammonia, nitrites and nitrates. Good bacteria break down nitrogen compounds ...