A refrigerator should store fresh, appetizing food. But bad smells can ruin that experience.
Fortunately, as someone who's managed household odors for years, I have a simple, reliable fix: the lemon.
This economical trick neutralizes odors effectively. Here's how I do it.

In my fridge, I keep half a lemon at the top and another at the bottom.
It eliminates bad smells, sparing me from pinching my nose every time I open the door.
Place each half in a small cup to prevent mess and minimize cleaning.
Replace them once they dry out and lose effectiveness.

Now my fridge always smells fresh! :-)
Skip expensive air fresheners costing 5 to 10 €. A lemon costs under €1 and works just as well against bad smells.
Have you tried this against fridge odors? Tell us in the comments if it worked for you—we'd love to hear!