[h=5]Hello guys may I ask for some help about 3 weeks ago I build a 62 ltrs nano tank last week I test the water and was all ok I put the live rock and a clown fish and the ammonia came up 5 mg no2 8mg and no3 around 50 I make 3 time water change and still the same is this normal? because I was told if you make water change no3 come down but never come down[/h]


