well im actually not 100% sure yet. its a grow tent and i still need to figure out where to put it.
but as quiet as possible with that amount i need to suck.
Hey fellow weed people.
im slowly getting ready for my 2nd grow
but ive gotten really confused about the ventilation and what sort of carbon filter to use.
My room is 120x120x180cm i will be running a 400w hps
so my question is how much air movement do i need in that room and how big of a...