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I changed my setup around after trying a bunch of different things. I went with a 6" exhaust fan pushing approx 160 cfm with a 7" inlet hole. I was talking with a guy who said for passive air exchange you want your inlet hole slightly larger than your exhaust hole... As far as an inlet fan I...

No I'm in the big 207 I would think so. I had the MH conversion bulb in for like 4-6 weeks with no problem. And this unlabelled bulb I just put in when I got home fired right up -- the timer shuts off at 7 so I will have to play the process all over again -- wait till I get home to see...

Need some help with this one. I did my homework but still unsure.... I have a HTG 400w HPS lamp and some used/unknown HPS and MH HPS conversion bulbs. I was using a MH HPS conversion bulb for veg for about 4-6 weeks with no problems and I just pulled the bulb and put in an HPS for flower. Fired...

Thanks for the help Wilderb. My basement is dark too, for the most part but I closed the box up good just incase the wife needs to do laundry, etc. Also the right side of my box is serving as a mother room which will have light on longer than 12 hours a day. I found a CFM calculator that says...

The suncourt website lists the 4" inline fan at 65 cfm, and the 6" for only a few bucks more is 160 cfm. Wish they would have put this on the box or on the fan itself somewhere...I feel like I should have got the 6" ones. I should save my 4" exhaust fan and flex my light to it. The other one I...

One other option I could do is cut in a clinch collar off the side of my reflector (opposite side of the bulb) and flex to an added exhaust fan. It wouldn't exactly be an "air cooled" setup but at least it would pull some of the heat away. In trying to keep this build somewhat cost friendly (and...

Ok fair enough. Thanks again for the advice. I will definitely be in from time to time until I get it all figured out.

Thanks guys, I took the plunge and chopped them. I don't have the space for all of them anyway. Just wanted to get a couple females which I'm sure I have. Thanks so much for all the great advice! And yes I plan on continuing to educate myself, ask questions, read, and learn. One last question...

Wow thanks for the fast reply. Currently I am not using a thermometer but definitely going to pick one up on my next trip out. Cooking thermometer says 81* (not sure of accuracy) Like you I am growing in the basement where it stays nice and cool. Heat hasn't been an issue until I completely...

Hey everyone, new grower here. Need help sexing some "mature" plants. I started with 12 seeds of unknown origin I got from a friend, 11 sprouted and now I'm pretty sure I have 6 females and 5 males. These plants are probably 12 weeks or older and have "revealed their sex" under 18/6 light. The...

Hey guys, new grower/poster needing some help as the title states. I know this topic has been gone over a million times but can't find specific information to my setup. I've got approx. a 4' x 4' box, 6 1/2' high partitioned into two rooms (2'W x 4'D x 6 1/2'H) The left side is going to be my...