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Is this toxicity or deficiency?

So my kali mist is just a month old today and for the last couple of weeks she's been showing these signs of stress.

I pinned it down to manganese toxicity. But I'm really unsure.

I've not fed her any nutes yet and she was flushed a few days ago as she had nitrogen toxicity from too higher concentration of worm castings.

The same thing has just happened with my other Kali, small dark brown spots middle of plant.

She's grown in soil. Any help would be much appreciated :)
September 30, 2017 at 05:05PM

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