I think leaf septoria got to my plants. What would be the remedy? I’ve been trimming off the leaves that seem infected. If it isn’t septoria what could it be?
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I think you are ok and not battling leaf septoria. I think you may have a minor calcium deficiency or equally likely at the same time a bit of pest pressure. The stippling on the leaves is usually a hint at spider mites or thrips creeping up on you. You would have noticed thrips. Check carefully under those spotted/stippled leaves for any grey, brown, or white dots under there. Like table salt or slightly smaller spots. 
. They hug the vein of the leaf close and lay low till they have taken over if mites.
I found septoria only on plants that I have gave up on outside after the cold rains have come. It is kinda the full on plant rot stage then. Not really growing. Just like when you pull the last tomatoes off the vine before the first frost. The plant kinda rots away from botrytis and septoria as it has its last gasps. Deficiency and pests and much more likely. If indoors we can virtually rule out septoria. In my humble opinion. Good luck and happy growing. Welcome to the forum friend.
A full plant glamour shot would help with a good diagnosis.
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Thank you so much for responding. It’s mites. We had mites last grow during flowering but didn’t notice until major webbing. We’ve cleaned the tent, fans, light, everything, new pots etc …where could they be coming from?
Besides Neem oil what would be your suggestion to get rid of them? How often would you spray with Neem? Finally what would you suggest for calcium deficiency?
Thank you for helping
