My sis and I hate the smell of vinegar. Her hubby tried to use this barbaric method in front of me! I thought him a lesson!
Use 2-3 tablespoons of citric acid. You can buy tiny or big bags, it used to be way cheaper, but last bag I got was like 0.50€ per 100g (which is enough for one big kettle or two small ones).
I learned this from a great friend - Gabrielė, kudos to her.
I hope this will be useful to someone.
Results from 3 spoons:
