iv had my tank set up for about a year now everything was fine until about a week ago when i cleaned both the filters i think i somehow killed the good bacteria three days after a 70% water change my water perameters are: PH 6.0, Amonia .5, nitrite 0, nitrate 0. and the water is a cloudy white classic sign of ammonia. Tank is a 125 with 10inch oscar 10inch pbass and a 14inch pbass, filters are 1 rena xp3 and a FX5. They dont eat like they used to. what would you guys do?!?
Thanks in advance guys

Thanks in advance guys