Thread: Halide Q & A
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Old 02/13/2009, 05:12 PM   #64
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Join Date: Apr 2007
Location: Olathe KS
Posts: 30
Originally posted by ecomdesign
I have a 90 gallon tank with 2 250MH SE bulbs. The lights are in a canopy and are only about 4" off the water. My temps run between 78-84 degrees. What do you think I should do to keep things running cooler?
increase evaporation by aiming a fan at the sump or refugium, and increase the airflow through your canopy, i would have one or two fans on each side of the canopy, two blowing in and two blowing out ideally-2out on one side, 2 in on the other

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