Is this white thing correct in kriek lambic?

I'm making my first lambic beer, a kriek lambic with a one month old, last week I dropped 1lb cherries. Today, I noticed this white thing in top:

Should I concern about this? Or just let it go...

Topic lambics contamination homebrew

Category Mac

1
answered at

That's what a lambic is all about! That's the pellicle forming. Completely normal.

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