How old is the tank?Well I think I found the culprit. Tested my water tonight 1 ammonia, over 5 nitrites, and about 20 nitrate. But I don't get it, I used cured rock, live sand, water the housed the cured rock and added bio spira. Y did I just have a spike
RODI water?
And o wonder how long it was cured.

i do love hate amzon

