If a bag of grapes is clearly labeled “pre-washed,” “washed,” or “ready to eat,” they generally do not need to be washed again before eating. Produce carrying those labels has already gone through a commercial washing process intended to remove dirt and reduce contaminants before packaging. For most families, including children, eating the grapes directly from an unopened properly stored bag is considered reasonable. The important part is checking the actual wording on the package, because not every bag of grapes has been pre-washed.
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