The tank had been set up for about 2 years and came with 9 original fish. I only kept 3 of those which consisted of the Red Tail Shark, Bristlenose Pleco, and Algae Eater. We moved the tank 11/21/2017 and had to completely empty it to do so. I set it up with the original 9 fish and left it...
My betta suddenly has a white crusty mouth today. He's listless, barely breathing. He appeared fine last night.
1. Size of tank? 55 gallon
2. Water parameters Don't know, just ordered test kit yesterday
a. Ammonia?
b. Nitrite?
c. Nitrate?
d. pH, KH and GH?
e. Test kit?
3. Temperature? 78F
4...