Nitrites are high please help

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Drumm22

Plecostomus
MFK Member
Apr 1, 2020
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Have you tested your water?
Yes
If yes, what is your ammonia?
0
If yes, what is your nitrite?
5.0
If yes, what is your nitrate?
Less than 5.0
If I did not test my water...
  1. ...I recognize that I will likely be asked to do a test, and that water tests are critical for solving freshwater health problems.
Do you do water changes?
Yes
What percentage of water do you change?
31-40%
How frequently do you change your water?
Every week
If I do not change my water...
  1. ...I recognize that I will likely be recommended to do a water change, and water changes are critical for preventing future freshwater health problems.
I have a 60gal tank. Just got my own api masterkit freshwater. Everything checked out good besides nitrites are high like 5.0 i just did a water change last night about 30/40%. Tanks been up for 3 weeks running with fish no concerns with the fish activity, obviously i know nitrites this high is no good but i wouldnt have guessed anything was wrong.
 
Someone said i should remove the carbon filter and switch it with something else bc the carbon filter removes stuff from the water thats good for fish health? Whats a “bio media” that i could use
 
Nitrite means your filter is not doing it's thing. Either not mature yet or you killed it by cleaning the bio media.
 
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