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I once made a filter like this: -Cut a 6" diameter pvc pipe into 3. 4" sections -Get activated carbon from a pet store and coffee filters -Put some activated carbon between two coffee filters and put between the sections of pipe. -get two computer fans and put them on the ends, one...

I would take a serious look at the first reply about $$. I just (tonight!!) finished my room and put a couple girls in there. I have yet to buy a tray, more pots, grow medium, nutes, and other random necessities and my receipts total $900! It is only a 4x4x9 room and a good pal loaned me the...

I would say if you are considering using desk lamps, don't even think about aero! sounds like you need to go soil and see just what growing a plant is like...when you get your own place!

Thanks for the replies all, I have chosen to use the 4" vortex fan on the light, and the 6" vortex fan on the carbon scrubber. Cant beat the 10 year guarantee, and a box is easy to build around the fan to lessen the sound. The light ventilation will be a closed system with fresh air...

I guess my concerns are that a 1000 watter is a lot of heat in a small space. will venting the light with air already warm from the room via the carbon scrubber be sufficient? Thanks for the reply

Hey all, I have a 4x4x9 closet (144 sq ft) and am getting my ventilation together. I have a 4" vortex inline bringing fresh air in, and am planning to split a 6" vortex to cool my reflector (sealed, cool air from outside the house feeding it) and exhaust the room via a carbon filter. I...

It sounds like you should have the two fans working to get hot air out of the box and one fan blowing fresh air in. Put one on the hood, and feed the hood with fresh air from outside the box. use the other to exhaust the air inside the room. You want to have more fan power going out of the...