What are those mottled track-looking things on the leaves?
I can't really tell from those pics but at first glance I thought EXTREME thrip infestation. That would also cause dehydration damage to your leaves.
A mist of neem oil will help keep them from losing any more moisture, and slow the thrips.
Can you get better pics of the leaf surface though to make a diagnosis?
stinkyattic Reviewed by stinkyattic 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