Activated Carbon in the Marine Tank
The pros and cons of activated carbon in marine aquaria.
Automatic Marine Aquarium Water Refill System
Offers directions for making an automated top off system for aquariums. Includes diagrams and pictures.
Home of the Durso Standpipe
A Durso Standpipe is a device made from PVC pipe that fits in an overflow to eliminate noise. Site includes detailed instructions on how to build a Durso Standpipe with several variations. Sells premade Durso Standpipes.
Robert C. Michelson's Aquarium Circulation Sy
Includes information on the importance of current and details on the surge device built by the author.
The Krib - Lighting
Includes comparisons, fixtures, bulbs, and a DIY section.