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Ive always thought it was better to have the fan near the exhaust pulling the air through the lights, but my friend thinks it should be the exact opposite placing the fan near the intake. Say one was going to put 4 1000's in a 15ft x 15ft room and use 1 8inch 750 cfm inline fan per 2 1000's...

Ok I started this a little late, but here we go. The four 5 gallon buckets are clones(about 8 weeks old from clipping) and the little kids are from seed(about 4.5 weeks old). I have LST'd the clones from early age and have done a lot of trimming the past week. I just did some more tying...

I was wondering what the life span of pollen released by a plant is? I had a hermie release some pollen in my room about three weeks ago and I'm about to start some new seeds. It allrdeady did its damage to the rest of the room, but im wondering if trace pollen left can pollinate the new...

So I have some mothers in a room flowering, and one seems to be a hermie. Its 4 weeks into flowering, started showing only female signs and like week 3-4 bam seems to have like 50% lower branches are making seeds. Should I take it out of the room, or is it too late? Will it even pollinate the...

Ok. This is my first time trying a grow like this. Im using a 4x4 hydro tray with hydroton, perlite, and some coco fibers (next time I wont use any coco fibers, they clog the drains and are unescessary). Above are 2 400w ceramic metal halides with a 450 cfm duct fan. Im using all general...

Im not really sure whats wrong here. They are in 5 gal buckets with fox farm ocean mix, some worm castings, coco fibers, and a little perlite. Ive been giving them maxicrop kelp (1 Tbs/gal), fish hydro and emulsion (1/2 Tbs ea./gal), gh floralicious gro (1 tps/gal), and cat. fert 2-7-7 (4 drops...

Its time to get more ph down for my resovour. I just went through a quart of the liquid and have to use 1/2 cup to adjust my 25 gal resovour. Im wondering if its more cost effective to buy the powder, 1.5 lbs for about $15 or 4lbs for $28, or buy the liquid gallon for about $35 this time...

3 on left: 1 week into flowering now with a 400w ceramic metal halide. 2 smaller on right: 7 in tall just put on 12/12 today. Wonder how much a plant this size will yield. First time really flowering except one stressed early bloomer. Tried cloning first time on bot: I think maybe half...

Ok I bought an Advance 400w hps ballast kit and have looked on this board for answers, but am not sure how to wire the capacitor up. There is a white clipped end coming from the "short side" of the transformer and an orange clipped end coming form the "long side". Coming from the capacitor there...

Ive been reading about this soil/compost mix which uses a compost tea to activate the microbes within the compost. Here is a list of ingredients a friend said to mix using Dr. Elaine Ingham's methods : Soil: 40% Alaskan/ Arctic humus (cant find this anywhere) or good organic compost, 40%...

So I finally got my closet set up with some lights for indoor grow. Its in soil, so no hydro yet, but trying to learn a lot before i start spending $. I went cheap with the cost, but I think it will get the job done for now. (Until i get my 400w hps for flowering, $150 with shipping on ebay)...

Ok. Heres the idea. We would like to create a plant that produces large amounts of THC, but does not look, smell, or have physical properties of the cannabis plant. My thoughts on this: We need to start from a marijuana plant, because thats the only plant we know that produces THC in the...