Common organic causes include scale, algae, âpink slime,â white water mold and vinyl liner mold. The Langelier Saturation Index measures the corrosiveness and neutrality, or scaling ability, of water. Water, by nature, âwantsâ to be neutral or balanced.
Joanna J. K. Rowling is 51 years old (birthdate: July 31, 1965). Joanna J. K. Rowling is 51 years old (birthdate: July 31, 1965).
Rowling was in a class by herself on the magazine's list of the year's top entertainers, which was separated by editors into five other categories that evoke school cliques: prodigies, class clowns, most popular, most buzzed-about and valedictorians.