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Bool Review: Aquatic Systems Engineering: Devices and How They Function
  by: Grant Gussie, The Calquarium, Oct 2000
This is a review of the new CAS library book, Aquatic Systems Engineering: Devices and How They Function, by P.R.Escobal.

Some Considerations Before Designing Your Own Fluidized Bed Filter
  by: Grant Gussie, The Calquarium, May 1997
As aquarists, we are all aware of the need for biological filtration and most of us also understand the principles involved as well.

  by: Michael Sanderman, The Calquarium, Jun 1996
When I first started my pond two years ago, the only aeration/moving water was from a small fountain and sprinkler head with an attached foam filter sitting in the middle. Although this was adequate to keep the fish alive and the pond from turning into a scummy slough, I would have preferred something that looked a little more natural. Next year I had a waterfall.

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