Expand All / Collapse All Features: Testing 250-watt Single-ended Metal Halide Lamps and Ballasts   by Joe Burger   In this article, expanded and compiled from information available on his website, Joe performs a comprehensive test of 250-watt lamps and ballasts. Actual aquarium photos for each bulb are included for convenient comparison of the appearance of the various bulbs tested. "Frag" of the Month - Propagation of Xenia sp.   by Agu Lukk   This month Agu demonstrates techniques for fragmenting Xenia. Tank of the Month   This month we are featuring Louis Tsai's (louist) beautiful nanoreef aquarium.   Louis describes his 8-gallon mixed nanoreef system.

Expand All / Collapse All Columns: Reef Alchemy by Randy Holmes-Farley, Ph. D. The "How To" Guide to Reef Aquarium Chemistry for Beginners, Part 2: What Chemicals Must be Supplemented   The second in a series on reef aquarium chemistry for beginners. In this article Randy focuses on the supplements used in reef aquaria. Notes From The Trenches by Allen Chantelois Light Output of the Phoenix 14,000K DE MH Bulb Over Time   Allen tests the output levels of Phoenix 14K metal halide bulbs over a 13 month time period. Book Review reviewed by Bill Chamberlain Giant Clams in the Sea and the Aquarium by James Fatherree   James Fatherree's recently released book on tridacnid clams is reviewed by Bill Chamberlain. TalkingReef by Rob Weatherly   Rob interviews Allen Chantelois, who discusses his current article analyzing Phoenix 14K bulb performance. Reefkeeping's Top 10 by Readers Top Ten Best Days In The Hobby... Thread of the Month "Custom 18"x18"x18" Cube in England" by jemram

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Cover: A marine betta, Calloplesiops altivelis. Photo courtesy of Ron Hessing.