You must be a dart frog Greek, not a bad thing just saying. If its got that coat soak the guy in water just enough to go up to his chin,for around an hour. The slime. Should fade then he will pull it to his mouth an eat it saving it for next time. I'm going to invest in a fogger for my frogs tank , it will help. Higher humidity isn't the isuue with them but low is so I would go that route, I got mine for $60 with the shipping from
Lll Reptiles.