I have a new tank with a wood canopy. The back is open. It has 4 48 inch vho lights, with an ice cap 660 ballast. The heat is around 83 to 84 degrees. I am running the lights for 8 hours a day. I have ordered two 4 inch ice cap fans. What is the best option for placement? Should I put them in the back opening? Or cut the roof of the canopy and puy them there? Should I have them both blowing in or both blowing out or one blowing in and one blowing out?
thanks
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