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).
Follow. Comments. JK Rowling has admitted that she made a mistake by pairing off Hermione Granger with Ron Weasley rather than with Harry Potter in her best-selling books. The author disclosed that she brought Hermione and Ron together for âvery personal reasonsâ, not because they were a âcredibleâ couple.