im sorry if im making to many threads but this fish tank is killing me... my water is fine everyday... amonia is 0...ph is 7... nitrite is 0 and nitrate is 40... i have 2 hob 70gallon filters on my 55 gallon tank.... i habve 2 redtails and a oscar( small) i do not overfeed at all...w.e they dont eat i take out...i do weekly water changes about 20gallons now and also gravel vak...idk why my water wont be clear its making me mad lol... maybe to much light? i keep the light on from about 10a.m till about 1 in the morning...to much? idk what else to do