250w hps/mh cooltube cooling help

Starting a new grow and bought new equipment was using badboy T5 now switching to 250w mh/hps. I bought this http://www.hpsgrowlightsusa.com/grow-lights-kits-1/250w-grow-lights-kits/grow-lights-kits-1-250w-grow-lights-kits-html-6.html (differ site this just breaks down all the info well)
and then i bought this as well http://www.amazon.com/gp/product/B003YFADW8/ref=oh_o00_s00_i00_details (inline duct fan)
Is this enough to cool my cooltube with or should i get another and stick them on either side one bulling and one pushing or is one just okay and should i havepulling air from outside box threw cool tube out or pulling from cooltube out the box?

will that inline fan work with this cooltube and keep it nice a cook in my grow. it is about 30in w X 14in L X 38in H

That fan will work fine for a 250. I used to use the 8' model to cool a 600 and it did good. As long a s you are not running your air through a carbon filter, then you will need an inline fan.

Yea just got the fan today and plugged it in and it is strong and in about 3 days getting my 250w grow set up and going to start a journal and forum on changing my cabinate thing to a grow space and hooking it all up also waiitng for my PH, ppm, and temp meter to come in and my aquashield to come in and i have my 2.5gal with 2 airstones and 6inch net pot rockwool and lava stones (balls). cant wait just waitng for my seeds to come in as well going to start with super lemon haze or maybe blue cheese hmmm choices, i am also using sensi grow and bloom and big bud for 3rd or 4th week in flowering