By the way, 40 cups is 2.5 gallons (US), not 5 gallons.
I did not say that anything was equivalent to anything. I used other peoples figures. What were they now, Cups, Glugs, Pints, Gills, Ozs, Gallons??
Lacking the superior education and knowledge of a "Laboratory Scientist" I used basic common sense and bought a $1.95 one litre graduated bottle from Wal-Mart.
Ed S