Refrigerator & freezer temperatures
Why 4 °C and −18 °C are the reference points, where cold air actually sits inside a fridge, and how to check with a thermometer.
Read articleSafe food storage · Canada
Reference notes for household kitchens: how cold a refrigerator should run, how to label and date what you keep, and how to arrange a pantry so older items get used first.
Three topics
Why 4 °C and −18 °C are the reference points, where cold air actually sits inside a fridge, and how to check with a thermometer.
Read articleA consistent date format, what to write on leftovers and frozen portions, and how a first-in, first-out habit reduces waste.
Read articleGrouping by category, placing heavy items low, keeping a clear humidity and light profile, and rotating stock without a spreadsheet.
Read article
How to read these notes
Each article keeps to one task and points to official Canadian food safety guidance where exact figures matter. Temperatures use Celsius, the unit used on Canadian appliance dials and packaging.
Contact
For questions about the notes published here, use the form. General food safety questions specific to your situation are best directed to the official Canadian resources listed below.