First 94 words of the document:
what does hard water make? what do you get with soft water?
it makes scum and limescale you get a nice lather with soap
what is hardness caused by what is hard water good for?
contains a lot of calcium and magnesium calcium ions are good for teeth and
ions. rain falling on some types of bones, studies have found that people
rocks can dissolve compounds like who live in hard water area are less
magnesium sulfate and calcium sulfate at risk of developing heart disease.