Hi Twist,
Hey be a little careful listening to the big guys. If I'm not mistaken you just want to grow some weed! Ofcorse some of this stuff is good info & it's nice to get tooled up ahead of time but when $$ is tight you gotta make due & just GO. I run a 400watt cool delux in veg & hsp in flower - 2*4*8ft. cab. I cool it with a $25, 4", Home Depot, 80 cfm, .25amp, inline p.o.s fan with a carbon filter. When she runs a little warm I crack the doors. I could use more cooling but wtf. I did spring for 2 hepa filters which are a waste of funds when the doors are open. Will I have the best....nope, could you do better........yep, but atleast we don't have to deal with the freaks. In 30+ years of growing I've never seen a plant in dirt die....EVER!
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I didn't think you would mind a pic on your thread but feel free to delet it. Just wanted to show you that if you work the problems you'll get smoke. Oh & you might want to duck cause this is going to get ugly.....tehe