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Thread: API test kit for PH

  1. #1
    Registered Member
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    Default API test kit for PH

    So I have 2 api test kits from API and while testing my tanks PH I used both high ph test kit and low ph test kit. For the low ph test kit it read 7.6 which is the highest on the chart and for the high ph test kit it read 7.4 which is the lowest on the chart. So what's my ph?... this happen to any of you.



    I tested the ph from my tap and it read 7.2 so I know the test kits are at least working.

  2. #2
    Registered Member + MVP danotaylor's Avatar
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    Daniel

    Default Re: API test kit for PH

    To quote Spock;
    Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth.
    7.5
    Last edited by danotaylor; 07-31-2019 at 08:59 PM.

  3. #3
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    Default Re: API test kit for PH

    7.5 was my guess but wasnt sure if something was wrong

  4. #4
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    James Walker

    Default Re: API test kit for PH

    7.5 would be my guess too.

    The accuracy of the test kit at the ends of their ranges decreases. If in doubt test with both and take the average. If you are anal about it, do each one three times and average them all.

  5. #5
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    Default Re: API test kit for PH

    7.5 it is lol

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