high nitrates

I have also see this before in my tank! How I fix is to carbon dosing my tank every day. I use sugar, vinegar, but vodka I like so I save for myself! .. Vinegar work great I say you should try!
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%

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