do you spray your plants? foliar feed?

I believe you have a ph lockout, magnesium, calcium & more
no matter whats locked out its why.

complete a soil runoff PH test.......
with PH corrected water (6.5-6.8PH ) pour enough water in the pots so the water runs out the bottom of the pot ...collect & test the PH of this runoff water....post both the watering going in the pots and the runoff ph
Ganja Guerrilla Reviewed by Ganja Guerrilla 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