Ok im still stumped lol. I added 2 gallons of 12.5 liquid chlorine, waited an hour and it went from .5 fc to 3. CC was 2. So i added 2 lbs cal hypo about 2 hrs later and tested an hour after FC was 5, CC was 1.5. Came home at 5:00 and tested it was FC .5 and CC .5. Im just not sure why im...