> If your shelves are dirty, it's because the bottom of the items you're placing on your shelves are also dirty. I live in a humid climate. If I take something

> If your shelves are dirty, it's because the bottom of the items you're placing on your shelves are also dirty. I live in a humid climate. If I take something out of the fridge, set it on a clean counter for five minutes, and put it back in the fridge without wiping it down it'll leave smudges of water and dust on the trays. The trays will look dirty after a few months even if I only put clean things in there.