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After reading this part of the Wikipedia page on marijuana and gender determination, I wondered about this part: Ainsworth reviews that treatment with auxin and ethylene have feminizing effects, and that treatment with cytokinins and gibberellins have masculinizing effects. Given that...

I have a plant that is just finishing up flowering; I've let it go too long, and it looks like it's collapsing. To re-veg it, do I have to prune off all the flowers? I have only one cutting of this particular clone, and it, too is flowering- about 3" tall. It is under CFLs, getting 14-15...

I tried searching for PVC in this forum, but nothing came up; apologies if this has already been asked. Can PVC pipe be used to make a frame for a DIY grow tent, or is there some reason why folks seem to prefer wood? I suppose strength is an issue, but if I don't go with huge lights, can I...