Want to measure the exact temperature in your fridge?
It is true that this is important information.
Especially to know if your fridge is not too cold or too hot.
To get the exact fridge temperature, the trick is to put a thermometer in a bottle of water:
1. Take a plastic water bottle.
2. Fill it with water.
3. Stick a thermometer like this in the bottle cap.
There you go, you now have the exact temperature in your fridge :-)
The temperature recorded by the thermometer placed in the water is much more accurate.
Why ? Because the temperature of water fluctuates much less quickly than in air.
This way, when you open the fridge door, the temperature recorded by the thermometer in the water bottle does not change.
Another solution to measure the temperature in the fridge, is to put a thermometer in a glass of water on a shelf.