If you're wondering whether you can use vinegar instead of a descaling solution, the answer is yes! Vinegar is an acidic liquid that can help to break down and remove limescale from your coffee machine. All you need to do is make a 50/50 mixture of vinegar and water and run it through your machine as if you were making coffee. Let the mixture sit in the machine for 30 minutes before running some plain water through to rinse it out.