So, If I am understanding you correctly, and please let me know if not!:confused: My Total Hardness = 117 ppm, My Total Alkalinity = 101 ppm. see water report info:
117/50=2.34
101/50=2.02
Smaller number is 2.02 so subtract 1 from it? = 1.02 or (Calcium loss)
then multiply by 20...