Wavemakers, Powerheads, Heaters

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Inexpensive Wavemaker Impressions (http://www.wetwebmedia.com/ca/volume_2/cav2i5/wavemakers/Wavemakers.htm)by Steven Pro

Propeller Pumps in the Aquarium (http://advancedaquarist.com/issues/june2002/review.htm)by Richard Harker

An Engineering View of Aquarium Systems Design: Pumps and Plumbing (http://www.advancedaquarist.com/issues/jan2003/featurejp.htm) by Sanjay Joshi, Nathan Paden and Shane Graber

An Overview of Powerhead Choices Available to the Reef Hobbyist (http://www.reefkeeping.com/issues/2003-09/nftt/index.php) by Roger Vitko

Aquarium Water pumps Operation, Selection and Installation, Part 1 (http://www.reefkeeping.com/issues/2002-04/rn/index.php) by Rex Niedermeyer

Aquarium Water Pumps Operation, Selection and Installation Part 2 (http://www.reefkeeping.com/issues/2002-05/rn/feature/index.php) by Rex Niedermeyer

Aquarium Water Pumps Operation, Selection and Installation Part 3 (http://www.reefkeeping.com/issues/2002-06/rn/feature/index.php) by Rex Niedermeyer

Basics of Water Movement in Reef Aquaria (http://www.advancedaquarist.com/issues/april2003/beginner.htm) J. Warrick

Submersible Pump Comparisons (http://www.wetwebmedia.com/ca/volume_3/cav3i1/Powerhead_test/powerhead_comp.htm) by Steven Pro

External Pump Impressions (http://www.wetwebmedia.com/ca/volume_3/cav3i2/External_Pumps/External_Pumps.htm) by Steven Pro