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Old 02-21-2009, 11:05 PM   #1
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double ended VS single ended

someone told me that a single ended MH will give the corals better color but a double ended bulb will grow them faster, has anyone heard this before? i have a 2 foot by 2 foot frag tank i am getting lighting for. also does anyone know where i can get a large MH reflector, i have seen them before at frag swaps but i can not find tham.

60 ga. SPS tank w/ 2 - 175w 20k halides, korallin 1502 calcium reactor w/ph contorler
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Old 02-22-2009, 09:24 AM   #2
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I don't think that's true. I did a lot of research on SE vs. DE before I got my lighting and honestly never really found there to be any difference from a benefits point of view to the tank.

Check out hellolights.com if you're looking for the regular spider reflectors, that's where I got mine.

In the DC Metro Area? Check out GWAPA and WAMAS
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Old 02-22-2009, 09:55 AM   #3
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Neilanh is correct. The only real difference between SE and DE is SE bulbs they are already encased in a UV shield and with DE bulbs, you must use a reflector with a UV shield.
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