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  #1  
Old 02-16-2006, 03:49 PM
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Why not get a 150W retrofit kit?
Should be more than enough for a 28G tank.
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  #2  
Old 02-16-2006, 03:57 PM
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It would be more than enough for sure. I was going to go that way because I have the ballast for the 400w. But a 150w would be easier to control heat.

I am going to put the bulb and reflector on hold for now, it has not shipped yet.

What is the magnetic ballast number for 150w? I know 175w is an m57. If I can find a cheap magnetic ballast I would go this route.
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Old 02-16-2006, 04:09 PM
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I found an m57 ballast for a 175w MH for $60 at a local electronics/lighting shop. I am going to change my bulb order to a 175w XM 20K. Maybe I can do with just a 3" fan this way, and keep the noise down. Thanks for the input everyone!
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Last edited by TheReefGeek; 02-16-2006 at 04:15 PM.
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Old 02-16-2006, 04:13 PM
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Sounds good... I think you'll be just as happy if not more happy with the end results (less heat, etc..)

May I make a suggestion? I would try a 14k bulb , I am using 20k and it is quite blue (obviously you adjust to it) but I have heard really good things about 14k bulbs. Like it's the perfect mix of white and blue and brings out great coral colours... as well as good growth (so I keep hearing)
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Old 02-16-2006, 04:17 PM
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I have run 10K and 20K XMs, and I like the color of the 20K. BUT, for comparison I think I will order the 15K XM to check it out, good idea!
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