Image reaper, I'm leaning toward doing just what you did. I think I'll flush, then give her just water for a couple weeks, then real weak nutes to start. I suppose it's possible that she could be getting nute burn. I have kinda been giving them a lot of food, but other varieties in identical conditions are thriving nicely. Perhaps it's a PH lockout as Ganja suggests. (I assume this is the same thing as nutrient lockout.) Looks more like burn though. Looks even more like Mg deficiency if you try to find it in the two links I posted above.
Opie Yutts Reviewed by Opie Yutts on . Magnesium (Mg) deficiency? Pics As best as I can tell from checking the two links below, one of my mothers to be has an Mg deficiency. The leaves feel hard and brittle. The yellowing, which turns brown starts at the tip mostly, but also the outer edges. I doubt it matters, but this is the same plant that is in with the shrooms in this post: http://boards.cannabis.com/plant-problems/134279-shrooms-weed.html. It starts in the older leaves, and eventually the bottom ones turn completely brown. There is interveinal chlorosis, and Rating: 5