I'll start with my CYA is 45....
I'm using a gallon of HTH liquid Chlorine a day (light bather load 4ppl).
Does this seem about normal consumption??? Trying to maintain 3-6 ppm
20x40 IG Vinyl 35k gal, Hayward 24" Sand filter, Built fall of 2013, Single Speed Jandy 1.5hp Pump, Southwest Part of MI