Two days later, Arthur checked the middle shelf. The floor was dry. The grape was gone (eaten, thankfully). The mystery was solved.
A stray piece of hard plastic, a broken shard of glass from a dropped jar, or a dislodged piece of insulation foam can physically lodge itself in the drain hole. how to unblock drain hole in fridge
"Effective," Sarah countered. She poked it a few more times, twisting the tie to scrub the sides of the tube. Two days later, Arthur checked the middle shelf