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).
Early life. Rowling was born in Yate, United Kingdom in 1965, to Peter and Anne Rowling. Together with her mother, father, and younger sister Dianne, she moved to Winterbourne, Bristol and then to Tutshill near Chepstow.