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Thread: ph.................

  1. #1
    Join Date
    Aug 2005
    Location
    Nashville, TN
    Posts
    258

    ph.................

    HI:

    Just a quick question:

    filled my kettle with (filtered) water for mashing the next day.
    Before heating the water to 209*F (I need that temp. for mashing in the next morning to 154*F), the pH was 7.04.

    I measured the pH before mashing-in the next day, and pH is 7.85??????
    How come?

    Thanks

  2. #2
    Join Date
    Oct 2003
    Location
    Santa Rosa CA USA
    Posts
    962
    High bicarbonate water. The bicarbonate breaks down, liberating CO2. Did you cool sample before checking pH?

  3. #3
    Join Date
    Aug 2005
    Location
    Nashville, TN
    Posts
    258

    pH

    Txs, and yes, I cooled the sample to 20*C

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