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Is it safe to reuse food storage bags made of #4 plastic?

April 26, 2017bags food plastic reuse safe storage

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Is it safe to reuse food storage bags made of #4 plastic?

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It’s safe to wash them with soap and warm water and reuse them until they start to get cloudy, which indicates deterioration. These plastics aren’t known to contain any hazardous chemicals, but deteriorated plastic bags may transmit substances with unknown side effects into your food. Cloudy #4 bags also start to absorb odors and other flavors.