okay. yea after lots of research's and reading T...T i'm deciding on going with a passive intake, but i'm not sure on how big i should make the hole. would it be a better idea to make small multiple holes or just one big one ? as i would be using the Can Fan Max Fan - 6" 3 Speed Complete Control - 334 CFM with a carbon filter and silencer just in-case it get to noisy.

i would actually be using a small table fan for circulating air inside. i decided to only start with two auto. then get clone's from my friend's when there fully rooted and just vegged them for a few weeks then flower.

the only things that's gonna be in the cabinet is the pot, light and a small fan. i will be building a small department in the back for the exhaust fan, carbon filter and the ducting.

as light seem to be my only concern now.. do you have any other input on it^^ ?
also thank you for all these input, you been so much help.

I gave light suggestions last time...

SisterMaryElephant wrote:I gave light suggestions last time...

thank you for all the input miss, i'll let you know how it goes when i have everything built and setup

I wonder how a few side led tubes would complement the 400 in a 3x3...

are you able to use waterfarms? they take advantage of hydro principals for pretty cheap and easy setup.. I'm thinking that 4 would fit nicely in a 3x3 or so.