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).
J.K Rowling Net Worth: $1.0 Billion. The money-making saga based on a coming-of-age wizard has earned Rowling her well-deserved fortune of $1.0 billion. In 2012, Forbes booted Rowling off the billionaire list due to the nature of her generous charitable donations, and the hefty taxes imposed by the British government.