I think I have them too much bat guano. And what about rust like places? Calsium ?The dark and shiny leaves make me think you have too much nitrogen.
Calsium?They look a little warm also
Should I get some Cal Mag?Yes bat guano is too much n for that stage imo. It doesn’t look too bad though .
Should I flush the plant?you have toxicity not deficiency. I wouldn’t add anything but water. If it’s a calcium problem it’s most like being locked out not deficient in media but