"Paul" wrote in message
...
Just got my new 40 gallon tank and stand set up. Have the AH supply 96
watt
lights and after putting the lights in the hood found that it was raising
the temp of the water due to the glass top getting too warm. I reworked
the
hood and now have the lights setting on top of the hood, about 8" from the
glass top. Much better, but am I losing any effectivness of the lights at
this distance? Thanks.
--
Paul




You're better of installing a fan to cool the lights. Cooler bulbs run more
efficient, also by raising the lights you wasting a lot of light.

Harry




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