Environment News


hardness PDF Print E-mail
Friday, 17 November 2006 01:00
German: Wasserhärte
The hardness is the water-quality indication of the Concentration of Alkaline salts in water, mainly calcium and magnesium. If the water you use is "hard" then more soap, detergent or shampoo is necessary to raise a lather.
 

Related Articles

No related article!