right on SativaGrowin...makes sense about the fans...funny how just a hint will open the doors to new ideas....how didnt i think of that??lol as far as the Cool Tube i did make one out of the pyrx barke a round as well but i am not sure if i have to hook a seperate fan up to it and Tee into the existing exhaust or can i run the rooms Exhaust through the cool tube?? i am not using Co2 yet so thats no problem....My exhaust is in the right upper corner right near the exhaust fan above the light....another thing with the cool tube with running a 1000Hps what sized fan would be a suggested to cool it adequetly with?? thanks for all the input so far guys....we gotta set up a northamerican Bud Bowel one day too see whos the best...still thinking up here in BC must still be decent compared to some no?? anyone have any ideas on that?