Quote Originally Posted by Watermom View Post
Did you have torrential rain which caused a lot of rippling on the surface? Aeration raises pH. Just a thought. I wouldn't expect that kind of increase though. My rain is usually acidic and lowers my pH. Go ahead and drop the pH some.
No, the rain was steady, but lengthy...probably 12 hours straight. I'll be adding my first dose of dichloro tomorrow. That should bring the pH down some, shouldn't it?