Help, my gold fish keep on dying.. what happen? 1st i tot bcause i din fed them enuf, then i feed them 1 day 3 times also same.. they just keep on dying like the happening movie.. help me pls.. now another one seem like almost dying and very tired.. argh.. im stress..

Holy moly.. i lost all of them.. now no confidence in fish d.. so sad.. i feel guilty, kill all of them.. i change the water once a week, feeding them twice a day.. dunno why still die..