Quote Originally Posted by jenmenke
So how long would you expect it to take for six small fountains (think large drinking fountain action) to raise the alkalinity from 7.2 to 7.4 in a 40,000 gallon pool? Days? Weeks? I have no idea.
Newb here <wish i knew about this site a couple weeks ago> anyway i am interested in the answer to this question as well - how long does it take? Hours, days, weeks - or do you simply keep checking until PH stops increasing?

Thanks.