[T]he whole plant, instead of rising to the surface of the water as hitherto, hung limp from the fissure where it was placed, and trailed upon the sand. Coincidently, (was it consequently?) a greenish tinge pervaded the water, speedily increasing in depth and opacity. In five days, no object could be discerned six inches from the glass, and my beautiful Aquarium was transformed to an unsightly ditch. — “My Aquarium,” The Atlantic, 1858

For as long as man has tried to keep an aquarium, he’s been struggling to keep it clean. This unavoidable aspect of the hobby was immediately evident on entering the 21st Annual Marine Aquarium Conference of North America in Atlantic City, New Jersey. Put another way, don’t go to a marine aquarium conference expecting a kind of bustling World’s Fair of tanks and fish… More…