Abit about the tank first, I fishless cycled for 2 months.
I've had fish in for 3 months since then.
Ph is 6.6-6.8, am-.25, no2-0, and no3- 10-20.
Temp-25.5℃
Oto 'sharky' was one of the last to go in a month n a half ago.
He always fed but never ate any of the algae wafers or cat pellets I put...