Before You Close Your Pool for the Season, Get the pH Levels in Check Using These Common Household Items

You should wait at least 24 hours before jumping in the pool (unless you use a chlorine-free pool shock, in which case you ...
Duluth News Tribune

Olympics: Drop in alkalinity to blame for green pool

RIO DE JANEIRO - The Rio Olympics diving pool will be back to is 'classic' blue color later today, Games organizers assured, blaming a drop in alkalinity levels for an uninviting green hue during ...
Reuters

Drop in alkalinity to blame for green pool - Rio organisers

RIO DE JANEIRO (Reuters) - The Rio Olympics diving pool will be back to its blue colour later on Wednesday, Games organisers assured, blaming a drop in alkalinity levels for an uninviting green hue ...