Hi guys I been having a battle with nitrates for 2 months when I test my water two month ago it was above 120 and I did water change ones a weak for one month and last month every two weeks and they won't go below 60 so my question is what us can I do please help thanks.
125 gallon tank
Fish and coral
Reef octopus 150
200 pound of live rock
Unicorn tang
Blonde nask tang
Yellow tang
Tominic tang
Yellow wrasse
2 percula clouns
Six line wrasse
And a lion fish
125 gallon tank
Fish and coral
Reef octopus 150
200 pound of live rock
Unicorn tang
Blonde nask tang
Yellow tang
Tominic tang
Yellow wrasse
2 percula clouns
Six line wrasse
And a lion fish