fruit flies

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  1. Y

    On the footsies of vinegar flies

    I've read countless posts in countless threads on this forum warning of the dangers of fruit flies landing in your wine causing it to spoil and turn to vinegar. To me this has always seemed a bit ridiculous, and contradicts a lot of how I think about about fermentation and microbes. What is...
  2. V

    Macro bin fermentation - how to keep fruit flies out

    Hello, We are a new start up winery and plan to ferment our reds in macro bins. For anyone that also does this, do you cover them to keep the fruit flies out? We purchased the macro bin screens but they seem so tight knit that they wouldn't allow enough oxygen flow - but I could be wrong...