Thursday, 4pm, added two gallons of bleach.
Thursday, 8pm: FC=20.5 ppm, CC=0
Friday, 5:30pm: FC=19 ppm, CC=0
Saturday, 10:15am: FC=20ppm, CC=0
In each case, I brought in a cup of pool water, and let sit on the counter for about an hour to get up to room temperature. Weather conditions since...