Even though we need our freezers to be cold, the build up of frost is actually bad. This is pretty common knowledge in the foodservice industry, but not everyone knows the dirty details as to why frost is bad in your walk-in freezer.
[…]If you're familiar with shock freezers or blast chillers, you know they are widely used to comply with HACCP standards for food safety. However, not all blast chillers are created equal.
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