Well, before I do my grow of known genetics, I'm growing 2 plants from bagseed. I'm about 4 weeks into veg from germination and they seem to be doing great. I have them alternating on schultz's 10-15-10 and awesome blossom 2-10-10 once each per week. They are getting close to the same amount of water and nutes, yet I had a couple of concerns. One of them is experiencing some folding effect (see picture) in the leaves that get the highest level of fan action. The leaf, and the 2 like it are very green and moist, and don't seem to by dying, just want to address any problem before it really becomes one. The other has purple stems, now I know purple stems can mean a phosphorous deficiency, but that shouldnt be coming about with these ferts. Is there any way to tell the diffenence b/t a phosphorous deficiency and purple stems resulting from the strain? I mean it could just be a diff pheno, because its only one of the 2 plants and its from the same ganja. Thanks in advance Edit: oh yeah, and they're in miracle grow potting mix (feeds plants up to 3 months) with some purlite mixed in evenly. Also, I'm going to be doing LST, vokal's method of weaving... and I was wondering at what height I should start the LST... or should I judge by nodes?