My flowerhorn was alright when I got him . He was fine for 2 weeks nd his face turned black 4 days ago I see that his face turned black from one side.
He's active and eats normally but why has his face turned black. ?
Tank size: 36*18*18
Heater: 150w at 28°C
Water changes: 25-30% on Wednesday and Sunday.

He's active and eats normally but why has his face turned black. ?
Tank size: 36*18*18
Heater: 150w at 28°C
Water changes: 25-30% on Wednesday and Sunday.


