What is this... fungus... mold... bugs???

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I searched online and couldn't find anything like this. Does anyone know what it is? There are two issues. Here's one.

 

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Here's the other problem.

 

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I sprayed with a weak solution of baking soda and let it sit for a couple of hours then followed with AzaMax. Hopefully the two treatments killed whatever the problem is. I see no progression of damage so far.