A protein skimmer is a device designed to clean the water in a reef aquarium by removing dissolved organic compounds. Put even more simply, it is a controlled overflow of dirty water. Imagine a chamber that vigorously mixes air and…
Signs that Allelopathy Might Be Agitating Your Inverts
Since corals and other sessile invertebrates are more or less stuck in place and can’t chase away competitors or run from predators, many of them—particularly among the soft corals—have evolved the tactic of exuding toxins into the water to prevent…