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Hello Friends, How often should the air in an enclosed grow space be recycled under optimal conditions?

Hello, I am going to work with a hydrohut. In the past I have used a more open area but circumstances have changed. My question is this; How can I attach a fan (or fans) to a hydrohut unit to maintain an acceptable airflow while still keeping foreign light out and the internal light in?

Hello, I just harvested a set of plants that came from feminized WW seeds. The plants produced a boatload of seeds, presumably because the plants were put under a bit stress early on when one of my H2O pumps crapped out on me. Are these viable seeds? Will they produce feminized plants?

This is so bizarre. I just harvest four feminized WW plants this weekend. Low and behold, amongst the tastiness of those four plants I found 2 (count em, 2) seeds. No more, no less. There were no males around and no part of these plants were male. I am dumbfounded!! How can a room full of...

Dear Friends, My WW plants are at 56 days flowering. I know they could still use another week, but I am leaving for Europe for a month. What will the early harvest effect be weight-wise and high-wise? BTW I have 4 WW's on a hydro-drip system under 400 W of HPS.

Dear Friends, What is your opinion on adding molasses to your resevoir during the last 2 weeks of flowering to increase bud density? Have you tried it? If so, with what results?

Dear Friends, I have been using Fox Farms nutes in my hydro resevoir with good success. I want to add some H2O2 to help out the O2 obsorption. Will H2O2 jive with the nutes?

In response to the many Aerogarden threads on rollitup.org, I have decided to submit a comprehensive report on the pros and cons of this grow system as well as adjustments I recommend based on my growing experience with this device. I have completed two grows with this system with fantastic...

I am growing White Widow in my hydro setup for the first time. What technique will give the best yield? Should I FIM, SCROG, or just let the ladies dance?

I am planning my second grow. Unfortunately during my first grow I had a disappointing amount of females. To avoid this bummer in the future, would feminized seeds be the solution? I've heard that feminized seeds often turn out herm. and that yield is decreased. Can anybody shed light on...

I am planning my second grow. Unfortunately during my first grow I had a disappointing amount of females. To avoid this bummer in the future, would feminized seeds be the solution? I've heard that feminized seeds often turn out herm. and that yield is decreased. Can anybody shed light on...

How can I keep my 3 x 3 foot closet with a 250 watt MH bulb cool without keeping the door wide open? Is 250 too much for that amount of space? Would a phosflourescent be better?

Which type of water should I use with my aeroponinc system. Yeah, yeah, I know about the Ph and all that jazz. So which is best? Is there even a difference?