Auto Leaves Looking Funky

[Palmettoman]

So I’m growing a few autos of different strains to find what I like best before doing a full grow of whatever I like. Started budding about 2 weeks ago. I getting these yellow leaves and I’m guessing it’s some sort of deficiency but I can’t figure out which one. This auto is the worse but I notice some tips on the others starting so I want to get ahead of this. None of my photos are doing this so I’m guessing since they’re starting to bud it’s using up something fast. Thanks for any advice.

 

[madgrower]

So I’m growing a few autos of different strains to find what I like best before doing a full grow of whatever I like. Started budding about 2 weeks ago. I getting these yellow leaves and I’m guessing it’s some sort of deficiency but I can’t figure out which one. This auto is the worse but I notice some tips on the others starting so I want to get ahead of this. None of my photos are doing this so I’m guessing since they’re starting to bud it’s using up something fast. Thanks for any advice.


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Soil and nutes used

 

[Palmettoman]

Soil and nutes used

Sorry forgot to tell. 50% FFOF and 50% FFHF. Haven’t given any nutrients yet due to transplanting them around 3 weeks ago. I know transplanting autos isn’t a great thing but didn’t know that prior to starting them in a solo cup. I do have fox farm nutrients though.

 

[madgrower]

Sorry forgot to tell. 50% FFOF and 50% FFHF. Haven’t given any nutrients yet due to transplanting them around 3 weeks ago. I know transplanting autos isn’t a great thing but didn’t know that prior to starting them in a solo cup. I do have fox farm nutrients though.

And you're lights as 18&6 or 24 hr? They are probably lacking something

 

[Palmettoman]

24hr. Yeah I figured they’re lacking something just don’t know what

 

[madgrower]

24hr. Yeah I figured they’re lacking something just don’t know what

I would be using some flowering nutes now. I use general hydroponics but there's lots of great stuff out there

 

[crimsonecho]

They lack potassium and magnesium i think. But the yellowing of the margins could be just from potassium deficiency can’t tell with my limited experience, although i don’t think adding a little magnesium would hurt.