Quote Originally Posted by aylad View Post
If you want to shock to 15, and don't want to use bleach, then it looks like about 30 oz of cal hypo or 90 oz of dichlor will get you there--but then you're going to need to maintain it.
Janet
Poolcalculator.com is telling me more like 55oz by volume of cal hypo. (Pool at 22,000 gallons, FC at .5, goal 15). What am I doing wrong there?