Thread: How high should a 400w MH be?
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Old 05-20-2002, 03:23 AM
seahawkjohnny seahawkjohnny is offline
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Default How high should a 400w MH be?
Quote:
Originally posted by CHEAPREEF:
Hi guys, just wanted some opinions on how high off the water surface a 400watt Iwasaki should be. I'm finishing off my new hood on tuesday and need a rough idea where my mounting brackets should be. The hood will contain 1 400 watt plus 2 overdriven NO actinics to 80 watts each. It will be a free standing hood with open areas all round. It's going over my 75gal with a 15" water depth (afetr 4" DSB). I was thinking 8" From water surface to bottom of MH, what do you guys think?

Thanks
Clinton
<font size="2" face="Verdana, Helvetica, sans-serif">Hello Clinton.....

considering your viewable space I would go with 175 or 250 watters, you dont need the 400's, and also I would put the lights 12" above the surface
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