hmmm well pics would help, obviously. What I can recommend is do a flush on all your plants, just in case there is some buildup of ferts in your soil that is messing the plants up. After you flush, give them some fish emulsion right away, it's high in nitrogen and the plants love it (it's organic). I can't tell you specifically what's wrong without pics, but here is a great guide with pics of every problem, so check it out!

International Cannagraphic Magazine Forums - The Complete guide to Sick Plants,pH, and Pest troubles!
dutch.lover Reviewed by dutch.lover on . Help with diagnosis plz Hey whatsup again bros, 'i' have 3 plants -a 2 white rhinos, and a nlxbb- about 13 days into 12/12 that are juuust starting to form buds. the nlxbbud is fine, and also 1 of the wr's, these are both indica-dominant. However, the bigger most sativa dominant one of the crop is slowely dying from the bottom up.. i know this has been mentioned many times b4 don't get me wrong but its just strange, how shes the only 1.. I've pretty well narrowed it down to under/overwatering (i feel im pretty Rating: 5