How do i achieve them tuff limescale bits bad the toilet? if tried every thing it a moment ago wont budge has...

if tried every thing it a moment ago wont budge has anyone get any ideas
Answers:    Yup. Pour 3/4 cup of white vinegar into it. Let stand overnight. Voila!
Put some bleach around the rim, permit it settle in next have a apt dig at the limescale next to the toilet brush until it starts to come off, later flush it away, don't mix it with any other chemicals though.