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Originally Posted by mtfabel  I guess I should give you a little background on my setup so you can understand where my explantion is coming from. My tank has a 12" hood I have my light fixture sitting on top of it. Better yet Ill just show you. The light is the black thing on top with the little sticker on the left hand side. The whole fixture sits right on top of the canopy. I guess I cant make you feel any better about fire hazard except to say that my fixture never gets hot to the touch. As you can see I have a small fan on the right side blowing down in to my hood. That little 7 dollar clip on fan from walmart has made my tank temp drop from 85 during the day to no higher than 82 during the day. That is my story. So moral is that a cheap walmart fan can easily drop a 180 gallon tank temp by 3 degrees. Just imagine what 2 fans would do(if you needed to). I hope this helps you in some way.  |
Thanks for the info. That definitely gives me a great perspective (also the picture).
Sanjay