A refugium is a body of water that’s physically separated from the main aquarium, but shares a common water supply with it. (One) purpose of a refugium is to provide a refuge for animals and(/or) algae that suffer from excess predation in the main display tank. The (net) effect is to increase the diversity of the whole system beyond that possible with a single tank of similar size.” Synergism–the whole is greater than the sum of the parts!!!
We enjoy watching the “Little Critters” in the tank as mucn as watching the main tank!
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We have the refgum plumed after the skimmer and 2 diy overflows into the main tank.
It is lit with some NO fish lights and it does very good.
Our Refugium is a bit above the main tank.