Question

you get two types of hard water I think,one is temporary and I dont know the other one,,can you please tell me the difference between this water

Answer 1

There are two different types of hard water..Temporary hard water and Permanent hard water.
Temporary hard water contains bicarbonate of calcium and magnesium.The bicarbonate are soluble in the hard water produce corresponding ions.
Permanent hard water contains chlorides or sulphates of calcium or magnesium.

Hope this helps :)