[Potmaniac]

Yes. They have clear nitric burn. For me they also look overwatered.
This soil is full of shit.
I would go for soil less medium and just rinse them out of this dirt.
There is not much root there anyway. They do not breathe.
What ever you will attempt will fail unless you repot them to something better than that.
I bet that if you take it out of pot root is 2 inch deep, and lower soil is so compact, that it holds too much moisture, relising to much nutes and not leting it go anywhere.