Author: Richard Harker

Note: Additional photos can be found in this article’s photo album.Americans aquarists are fortunate to have access to some of the world’s finest public... Read more.

Speaking at the 1998 Society of Integrative and Comparative Biology annual meeting, Dr. Bruce Carlson outlined the Waikiki Aquarium’s success raising Acropora... Read more.

Last month we began a reexamination of the reef tank heavy metal controversy by examining a series of articles that appeared in Reefkeeping Magazine last year. (Shimek... Read more.

During my recent talk at the International Marine Aquarium Conference, I outlined the evolution of modern reef keeping explaining that the hobby had evolved through... Read more.

Today most reef keepers understand the importance of water motion. Adequate water motion may be as important as adequate lighting in maintaining a healthy reef tank.... Read more.

Today most reef keepers understand the importance of water motion. Adequate water motion may be as important as adequate lighting in maintaining a healthy reef tank.... Read more.

Which bulb produces more intense light: A double ended Aqualine 150 watt bulb or a single ended Blueline 400 watt bulb? If you’ve followed the on-line discussions... Read more.

About two years ago I met Ken Green of Concept Lighting. He is a Cichlid breeder who also happens to design and sell industrial lighting systems. He helped me in... Read more.

The history of reef keeping is replete with examples of reef keepers adapting methods and tools of other disciplines for use in a reef tank. Lighting is the most... Read more.