accident with water

Edit: It solved itself already haha. It's clear and stable again. No fish deaths or signs of trauma! Hi everyone. I have a 20 gallon tank with a few different breeds of fish in it. Yesterday while I was out of my room where I keep the tank, my 4 year old volunteered to feed the fish and dumped...

i just accidentally dropped a cup of coffee which splattered all over my new betas tank. The feeding whole is small,so I don’t know how much got in there. I tested his ph when I started treating him for possible fin and take rott,though I really believe the culprit was one of his silk but still...