Aquarium Adventures: the Development of the Wet/Dry Filter

Once upon a time we only had access to rather primitive forms of filtration for the marine aquarium. Undergravel filters were usually the filter of choice. This required the use of crushed coral or dolomite for the substrate, since sand would be too fine to work with the undergravel filter. These filters were excellent biological filters and did a fairly good job at mechanical filtration.

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Use of a Refugium in a Marine Aquarium

Saltwater filtration has come a long way over the last decade. One of the newest concepts in tank filtration is called the refugium. Quite simply, a refugium is a smaller tank or partitioned area in which additional biological filtration occurs.

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The Refugium as a Natural Filter

The aquarium hobby has always benefited from new developments that make maintaining an aquarium more like natural systems. The development of the wet/dry filter was the first time we were able to offer massive biological filtration to help maintain a stable environment for the development of the mini-reef aquarium.

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