Help me identify which deficiency these two leaves are showing

BonesBuds

Active Member
Appreciate your help in advance!
 

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Absolutely! Here are the two plants in full, and it’s only the old lower fan leaves that show spots or discoloration. New leaves look good.
 

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phos def. definitely. mite need a little more nitro but then again could just bee the phos. mke sure to stop it now before it turns into toxicity
 
phos def. definitely. mite need a little more nitro but then again could just bee the phos. mke sure to stop it now before it turns into toxicity

I think alot of apparent nitrogen deficiencies are actually the result of extended p/k/b deficiencies. The leaves have a shelf life of about 2-3 months once they turn blue/gray/army man green. All the unmetabolized calnit brings da buggies and fucked up flavors.
 
Thanks all! I've added what was missing with fox farms liquid fertilizer. Most of the autos are in flower stage and were given higher P... the durban poison (photoperiod) was given a good all around fert that includes magnesium and Phosphate.
Two different types (auto and photo) are being grown at the same time. Loads of variables to control!
 
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