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Old 04/25/2018, 06:50 PM   #1
powderblue1
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Nitrite on test Tetra SW test strip

what does this color mean? This is an established tank caked with all colors of coraline.


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Old 04/25/2018, 11:00 PM   #2
bertoni
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I don't see a color sample...


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Old 04/26/2018, 08:31 AM   #3
mcgyvr
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Invisible is a great color to have..
Those strips are hardly regarded as extremely accurate so I really wouldn't worry about a nitrite reading with one on an established tank.. Its just highly unlikely to be a real problem..


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Old 05/18/2018, 08:22 PM   #4
powderblue1
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light brown / tannish


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Old 05/18/2018, 10:36 PM   #5
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Guessing based on the online chart, I'd say that was either zero, or the test kit has failed. Most setups will reach zero nitrite fairly quickly. Is there a problem you're trying to solve, or are you starting a new system?


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