So first off it’s an auto flower in coco. I amended the soil and I put in the necessary amount of nitrogen. (Same as first grow no issues) and since I’ve noticed this I’ve added more (bat guano, worm castings)and I even thought I added too much. I water 6.5 and they get the cal mag and some molasses. Do you think I should make a new pot with fresh soil and transplant? What should I do. Please help! The leafs are still yellowing
You are referring to the bottom leaves?
A nitrogen deficiency would show throughout the entire plant and not just the lower leaves. It is normal for bottom leaves to yellow and fall off as the plant matures.
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Transplanting an auto at this growth stage wouldn’t be good. You PH is at the top of the scale for coco. I grow in both mediums and shoot for 5.7-6.0 for coco 
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Plant looks fine, remove bottom two leaves and keep on growing. You do not have an N def.
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