hi i have been cycling my tabnk for th last six weeks i put a rock cod in there to speed it up but the parameters are still the same they have gone up and down and now sre still showing signs of amm , nitrite, and nitrate there is about 220 pounds of live rock the tank is 250 gals
and idea,s
i did a 20 percent water change it helped for a bit but then went back
and idea,s
i did a 20 percent water change it helped for a bit but then went back