Did yours maybe start to ferment? I had that happen once. I put plastic wrap right on the surface of the spread before screwing on the lid, and it stopped the pressure from building up.

My fan noise is all I need most days.

Graphite powder has been a locksmith's trick for decades because it doesn't gum up. It works well in cold weather where oil can thicken and make things worse. Patricia167 is right that it's a clean fix for painted locks too.

Actually, consider how many customers now google their symptoms before even stepping into a shop. I mean, without a proper explanation, they might second-guess the repair or try risky fixes themselves. Maybe that's why Joe's approach finally clicked, because it preempts a lot of modern-day skepticism.

Two spills in, I label everything hazardous just to be safe.