400w MH to 250w MH - Big temperature difference? - Canreef Aquatics Bulletin Board

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400w MH to 250w MH - Big temperature difference?

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#1

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06-04-2009, 06:14 AM

Bryan

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I can tell you I noticed a big difference in heat output from my old Iwasaki 400watt vs 250 watt XM's. Remember if using a magnetic ballast, extra heat as well.

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06-04-2009, 06:17 AM

Mrfish55

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I just upgraded from 250's to 400's and noticed quite an increase in the heat produced from the lights, doesn't affect the tank much as I have the fixture vented to the outdoors.

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