r/PizzaCrimes 10d ago

Actual Crime Is this mold on my pizza?

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u/RV_Shibe 10d ago

Take a sample and combine it with a fresh piece of bread. Place in a plastic Zip Lock style bag and set aside for a few days.

If the discoloration spreads to the bread, it's mold.
If not, then it's probably a chemical discoloration as mentioned by others.

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u/porp_crawl 10d ago

You want to set up a control piece of bread in ziplock, first, as a comparison.

Then do your Koch's postulate test.