probably N deficiency, because it looks like the yellowing is starting at the tips and working its way back towards the node.

Check This Out. Good source for finding out what's wrong with your plants.

:rastasmoke:
tha del sound Reviewed by tha del sound on . WHITE WIDOW & K2 IN THE SHED Well its been a few months since my last harvest of K2 and they were spot on. i had 2 k2 seeds left and i got 10 White widow seeds from the dam. I germinated them last week 5 white widow and 1 of the k2 seeds popped i have transferred them to pots and they have broke soil into 6 nice little seedlings. Ive got a 400w MH system over them soil is peat moss with a mix of perlite an vermaculite ratio 1/4 parts perl +verm to3/4 peat. ive been using superthrive since germination. The rest of the Rating: 5