Fooderise

When should you change your frying oil? The essential tester.

Hygiene & Regulation 5 min read 17 octobre 2025

The law prohibits the use of oils with a content of polar compounds exceeding 25%.

Dark color or smoke are indicators, but not proof.

Use a multimeter (probe) or chemical test strips. It’s fast and objective.

In the event of a check, the inspector will insert his probe. If > 25%, it’s a PV (notice) and immediate destruction of the oil.

Filter your oil every day to prolong its lifespan.

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