Help! Yellow/brown spots on leaves during flowering.

Looks like Potassium, phosphorus and possibly heat stress as well. Phosphorus the leaves yellow and potassium they yellow with brown spots and spots. What are your temps at?
 
Leaf septoria. Read up on it. Trust me..do the research cause if you don't you could possibly battle this for years. Use a spray called Serenade to halt the fungal disease. Good luck
 
Im growing outside so I can't control the temp but it has been in the upper 80's. What should i use to get the nutrients it needs?
 
I believe that the brown spots on the leaves is Impatiens necrotic spot virus or a similar virus. As for the yellowing it seems to be an extreme Phosphorus deficiency. I would foliar feed your plants with some microbiology and also add some biology in your soil if you don't already. I would recommend products like organic all phase or a company called microbe life hydroponics they both make excellent products with several strains of bacteria and fungus to combat the INSV.
 
Leaf septoria. Read up on it. Trust me..do the research cause if you don't you could possibly battle this for years. Use a spray called Serenade to halt the fungal disease. Good luck

I believe that the brown spots on the leaves is Impatiens necrotic spot virus or a similar virus. As for the yellowing it seems to be an extreme Phosphorus deficiency. I would foliar feed your plants with some microbiology and also add some biology in your soil if you don't already. I would recommend products like organic all phase or a company called microbe life hydroponics they both make excellent products with several strains of bacteria and fungus to combat the INSV.

Not a disease.
 
I agree with the potassium def. Here's a simple fix to see if it helps... soluble potash with plenty of water.
 
I went out and bought some epsom salts, and some Bontanicare bloom grow formula. Here are a few more pics as well. The plant is flowering and all the leaves are yellow on the insides near the nodes where the buds are forming.
 

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I went out and bought some epsom salts, and some Bontanicare bloom grow formula. Here are a few more pics as well. The plant is flowering and all the leaves are yellow on the insides near the nodes where the buds are forming.

That looks like pH problems causing nute lock. What is your pH at?
 
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