How to keep a canope cool?

reefraiser

Reefing newb
How does everyone keep their canopy tops cool? I haven't been able to use my canopy due to the heat the lights generate. It also doesn't help that the canopy leaves about 1/4 inch for the ballast fans to vent.
 
I would cut holes the size of the fans. I have to run fans in the summerm but I have holes cut in the top of my canopy that let the heat rise out.
 
What yote said. Here's what I did to mine...

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