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).
David had complained, through his parents, about a photograph taken of him at the age of 19 months. He was in a buggy, in the street, with his father Neil and his mother Joanne â who is better known as JK Rowling, the Harry Potter author.