hey guys, just want to update, my problem with my fish already been solved.
finally i decided to buy another tank, 3ftx1.5ft tank to be exact. after about 2-3 hours transferred my arowana to the new tank, it just started to eat normally :-D
finally i decided to buy another tank, 3ftx1.5ft tank to be exact. after about 2-3 hours transferred my arowana to the new tank, it just started to eat normally :-D