What deficiency is this?

Sick Plants & Problems
43

Ok that pic has me shook. I know I’m asking for trouble bringing em into the tent from outside. I’ve given the same advice before. Guess I was rolling the dice. Nothing else is growing inside for summer. I have a horticultural ozone generator I plan to blast the grow space with. I am confused by you and others describing a salt build up in the SIPs. So far all inputs have been only dr earth organic 4-6-3 and a little 1-1-1 watered in.

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