Hard water contains minerals,
usually calcium and magnesium ions, which make soap less effective and leave scale on your dishes and plumbing.
Not exact matches
Farm - derived renewable resources
usually compensate crop export of nutrients but it is sometimes necessary to supplement organic soils with potassium, phosphate,
calcium,
magnesium and trace elements from external sources.
There are some scaremongers out there (
usually water filter manufacturers) who claim distilled water is harmful because distillation removes important minerals like
calcium and magnesium.
You should also take an extra supplement of
calcium and magnesium (make sure you go for a good natural brand as some forms of
magnesium,
usually the cheap ones that you get from the doctors, aren't very absorbable).