How To Raise Acidity In Pool
How To Raise Acidity In Pool . Adding either of them will decrease acidity and raise ph levels of your pool water. However, doing this is a lengthy process, and can take days. Pool Maintenance 101 Angie's List from www.angieslist.com The process needs about five to six hours to complete. Evening or night is the best time to shock the pool. Common brands range from 5.5 ph to over 9.5 ph.