March 5th, 2008, 03:00 PM
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Banned
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Join Date: Dec 2007
Location: Fairbanks, Alaska USA (The Last Frontier)
Posts: 1,777
Thanks: 34
Thanked 242 Times in 230 Posts
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Re: will it work
In reef tanks any thing over 18 inches is considerd deep. At a depth over 18" the 250 watt halides are recommended with 150 watt for depths above a8 inches. That is to keep SPS anywhere in tank. But as already written above, softies, leathers and some large polyp corals can grow fine with less light. It is much easier to find spots of lesser lights for softies, leathers and LPS corals than it is to try to get many strongly lit spots for light loving coral in a less brightly lit tank. Not many people like the look of a tank with all the corals stuck up in the top half or third of a tank. Ther are commercial propagators regularly using 400 watt halide lights on tanks only 24 to 36 inches deep.
Current Aquarium(s) Description: 120g SPS Mother Colony Tank, 40 g sump, back wall overflows, 2 closed loop circulation circuits 59X
Experience in Saltwater & Reef Aquarium Hobby: 35 years in marine aquarium trade and managing LFS's, 10 years with coral.
Other Intrests: Coral Propagation, Civil and Environmental Engineering, Cabinetry, and Reef Systems Development
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