Hi all ive have a quick question.ive have a 1.2m 1.2m 2.0m tent with 400watt hps in the garage.my question is would i need a intake fan for the tent i already have a mixflo 6inch exhaust fan hooked up to a cb/filter and a fan to circulate air around a friend told me it would,nt be enough.does anyone have there tent setup the same way.seems to be working for me 4 weeks into flower and alls well.so any advice