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Does this leaf look like some form of mosaic virus?  There’s a couple of other leaves that look like that one. Would having raw hemp extract on your fingers be a possible source of mosaic virus?  My other plants are having a bit of a magnesium deficiency, could that be responsible?

If it is mosaic virus, do I need to chop down any plant that has it?  Turns my stomach just thinking about it…

Thanks for any advice.