Supermarket Secrets: What Your Groceries Aren’t Telling You

Refrigerated Sections That Aren’t That Cold

You’d assume items in the “cold case” are kept chilled—but many open-air refrigerated shelves don’t maintain ideal cold temperatures throughout. This is especially common with salads, dairy, or drinks located near aisle ends or displays without doors.

Not only does this increase spoilage risk, but it also affects product quality. Lettuce might wilt, yogurt cultures degrade, and milk spoil faster once home. Supermarkets keep these sections visually open to encourage browsing—sacrificing temperature control for sales psychology.

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