Brown spots on leaves that seem to spread

Grow Cycle
1

Brown spots on leaves on leaves and spreading. Started from seeds. Started on 3 leaves and spread. Sprayed funacide and that seemed to make it worse. Fkushed them and that didn’t help either.

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2

I always try to compare to this table. It’s like phosphorus defficency no?

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I’m just beginner but haven’t been helped here really, try to investigate on yourselves…

3

Hit with cal mag and see if that helps . Im new too but from the looks of the pic it could be cal mag deficiencies or a phosphorus deficiency.

4

Fill out a service ticket so the community can better assist. I’d hate to say anything not knowing what you’ve been feeding, what medium, environmental conditions etc