Degreasers don’t work all that great when the grease has been sitting there for a long time. Such is the case with the kitchen.
Many people use the kitchen for cooking but few do a thorough job of cleaning after they cook. This is especially true for cleaning up grease. If you look around your stovetop, you will undoubtedly find a lot of old grease. The bad news is that they are one of the toughest and most annoying things to clean up—degreasers don’t work all too well when the grease has been sitting there for a while.