I recently purchased a small dog face puffer who probably has not yet acclimated to a tank enviroment. He appears hungry but spits out the frozen brine or squid that is offered. He does blow the fine crushed coral base probably looking for my starfish, snails, and hermits.
I have several spotted...
Sorry about the problems. Did you mix the new salt water for 24 hours? The alk level of new mixed water can be very high if not allowed to aeriate and sit for a day or so.