Subtle brown spots watering?

So I just noticed these yesterday and I am sure that I watered too soon I am guessing that I have overwatered? Only other idea is mold my humidity is between 40-50% no real standing water in the tent.

Are you using a foliar feed? and what is your growth medium?
It sounds like a soilborne fungus to me, could have stemmed from your overwatering.
I would snip those leaves and if you see dark spots reappear, replant and maybe look to chemical solutions.

Thanks kc just replanted 2 days ago so do you think it's the new soil? I am using sunshine got it at a local grow shop.