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    Are supplemental cfls worth it?

    I currently have 30 plants in a 4x8 homemade box with 2 1000w mh bulbs. 12 of them are feminized big buddha cheese, and 18 of them are mr nice critical mass and they were not feminized so at a 50% female ratio, I should end up with approx 21 plants growing in the 4x8 area. I was wondering if I...
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    gender question

    I have some seeds of critical mass i just started growing. they are not feminized though, they didnt have any for sale. so anyways i got 18 of them and hoping 12 are female. can i keep all 18 together to veg big enough to put a bag over a branch to force flowering early to see which gender it...
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    Green fluorescent lights

    I just bought some 48" green fluorescent lights. the link is here: http://www.buylightfixtures.com/F40T12-cool-green-fluorescent-light-bulbs.aspx They arent as they look in the picture though, they are white bulbs on the outside that dont really grow green that much... but when I unplug two of...
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    Need help with ventilation please!

    Okay so I have 2 1000w hps/mh lights and I'm going to be putting one light in each of my two home made grow tents. The dimensions of each room are 6'x6'x6'. As of right now I know that I need an inline fan to push through the vents through my lights to cool them. I'm basically wondering how do...
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