Quote Originally Posted by killerweed420
The only bad thing with sucking air through the air cooled hood is it gets your bulbs dirty faster. I prefer to draw clea air from outside the room to cool the lamp. And if there's room I prefer to sit my carbon scrubber in the same room as growing in and just allow it to keep recycling the air in the room itself.
verry true,dust build up is a major lumen killer,even though you recirculate your air in your room do u just have a regular exhaust> or do u run a sealed room?