• September 30, 2017 at 2:35 pm #922
    Dave Burt
    Keymaster

    Reply to this topic to post your chemistry results on the 2017 Riesling and any planned adjustments to balance the must. YAN test numbers will also be posted under this topic.

    • This topic was modified 2 months, 1 week ago by Dave Burt.
  • September 30, 2017 at 7:22 pm #925
    Don Graham
    Participant

    Brix 21.2
    Ph 2.98
    TA 7.5
    YAN 84

  • September 30, 2017 at 7:49 pm #928
    Ian Murfitt
    Participant

    Brix 20.65
    pH 2.92
    TA 8.2 (the first test was 7.8)
    YAN 55.86

    Please post your numbers to help us verify our testing accuracy

  • October 1, 2017 at 9:18 am #931
    Dave Burt
    Keymaster

    I got the following chemistry on a sample obtained from Bill Greaves:
    Brix 20.6
    pH 3.04
    TA 6.9
    YAN 56

    Average YAN from Don, Ian, and myself = 65 mg N/L
    This is quite low – make sure you add sufficient nutrients. Half of a tablet of vitamin B5 is also a good idea.

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