kaya ako I got na agad 100glns para wala na sakit sa ulo for my fishes tapos pag nag ka budget ulit kuha pa ng isa. I think the rule for keeping monster fishes is give them room and they will grow and thrive.
try to look for second hand aquariums maytbe you will get a good deal instead of a 50 makahanap ka ng 75 na second hand.