seeclearly

TF-100 test kit. 24' round AG, unknown brand. Installed originally 2007. Dished deeper 1.5 feet in center w/main drain, 11500 gal. 3/4 hp Jandy pump runs 24/7, 30" Hayward sand filter, LP gas heater, oversized. Used to use a puck chlorinator, switching to liquid chlorine. Short swim season! Pool doesn't freeze in winter, water gets down to 42 degrees.