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  1. Al Hatfield

    MLF with grape concentrate

    I read if you put a wine with citrus acid through MLF it will produce acidic acid and taste like vinegar. I did a 2nd run wine through some merlot skins and used water and grape concentrate to do it and I’m talking about standard frozen grocery store grape juice concentrate not a wine specific...
  2. F

    Infection during MLF

    My merlot got a sign of infection during MLF, so I racked and added sulfite. The MLF was only half way done when the infection occurred. I’m wondering if I can wait for sulfite to go down and restart MLF again. If not, can you advise in what to do as merlot is still pretty tart. Thanks!
  3. F

    Press, MLF and Sulfite

    I currently have petite Sirah wine grape fermenting and it’s almost done fermenting. Per my research, if I want to do MLF, I shouldn’t add any sulfite in my wine. However, with pressing, I’m concerned with infection and oxidation. Of course, I’ll sanitize my wine press but I’m still a bit...
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