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  • Results 1 to 5 of 5

    Thread: Ammonia Toxity Chart

    1. #1
      MikeS's Avatar
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      And don't worry too much about your ammonia Katie, the salt for nitrite is really all you need. Here's an ammonia toxicity chart for you.
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      Mike & Sharon Shaw
      Jonesborough TN

      https://www.koiphen.com/forums/attachment.php?attachmentid=437164

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    2. #2
      cindy's Avatar
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      Ammonia Toxity Chart

      Chart from Mike S

    3. #3
      kdh is offline Senior Member
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      Temps also play a roll. And these numbers can change colors based on that ?

    4. #4
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      Quote Originally Posted by kdh View Post
      Temps also play a roll. And these numbers can change colors based on that ?
      Yes. Those numbers look to be correct at about 77 deg F. At cooler temperatures, the amount of NH3 will be lower and at warmer temperatures, the amount of NH3 will be higher.

      The complete relationship between pH, temperature, and the percentage of free ammononia was described by Emmerson, et. al.:

      Emerson, K.R., R.C. Russo, R.E. Lund, & R.V. Thurston. 1975. Aqueous ammonia equilibrium calculations: effect of pH and temperature. Journal of Fisheries Research Board of Canada 32: 2379-2383.

      Here is a link to an article that explains how to calculate the free ammonia based on total ammonia nitrogen (which is what our test kits measure), temperature, and pH. Figure 4 in that article (click on the thumbnail to expand the figure) is what you need to know. I think it would be an infringement of copyright for me to reproduce that table here.

    5. #5
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      Thanks Rick nice read.

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