Scum is the enemy of all of us good people everywhere, and we all have to deal with it at some time or another. Scum can show up on your coffee maker’s glass carafe, in the form of scummy film, or any number of other places. A toaster oven or traditional oven door may manifest the same scummy film.
a pinch of table salt (more if needed)
3-4 ice cubes
a few minutes
Step 1: Sprinkle a pinch of table salt onto the scum-infested surface or into the coffee carafe. To de-scum a coffee carafe (or larger glass surface) you would need to use more than a pinch of salt (3-4 pinches).
Step 2: Gently rub one ice cube at a time directly onto the salt you have just sprinkled on the affected surface or in the carafe. You may need to use more ice cubes in a coffee carafe or on larger surfaces.
Step 3: Give the salt and ice a few minutes of rubbing to let the solvent form, and don’t give up too quickly. This will remove the scum in most cases. The ratio of salt to ice should be about one pinch to one cube, but experiment with it and see what works best for you. You may need to use a few ice cubes one after the other to continue rubbing, if so, simply add more salt to match.
Step 4: When you can see that the scum’s firm grasp is slipping and the glass is beginning to see the light of day again, all you need to do is rinse your solvent off with water, which can be applied with a wash-cloth if you can’t seem to get the entire stove underneath the faucet for example.
Why it works:
The chemical interaction between the salt and ice will cause the scum to feel that it is in need of permanent vacation and will leave the surface it was on. The super cold water melting from the ice and salt make a sort of mild abrasive solvent that will have you waving goodbye to that nasty scum.
Doing this should not scratch up your fine kitchen appliances, but be careful just in case. Don’t push too hard and this should work well for you. Try it out, and let us know how it goes in the comments below.