Brown spots on seedling leaves

  • Thread starter MauiWaui
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MauiWaui

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Hey this is my first time growing in soil. I’ve got a problem with the leaves on one of my seedlings but I can’t figure out what the issue is, hoping someone here might know! This started a day ago, the spots were a lighter brown yesterday. I DID lower my lights after doing some research on ppf levels yesterday - I may have had it too low… maybe not though. I had them at around 400ppf which I know is a bit high, Ive lowered the ppf now to 300ppf to see if this helps. It seems to be only this plant though, for the moment at least - I have 4 others in the same tent that aren’t doing this. This plant has grown faster than the others. I’ve been watering with a 6.5ph solution, haven’t given any nutes yet. Soil is Osmocote seedling and cutting.
Any ideas?
 
Brown spots on seedling leaves
Brown spots on seedling leaves 2
Brown spots on seedling leaves 3
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