[Karen Hart]

Oh-oh... I did forget that I was referring to the "Hello Pharmacist" brand of Bi-Est 5.0... and there are others.
So, it's one pump for "Hello Pharmacist 5.0". 

If you have "Biolabs" 2.5, they quote 4 pumps/day.

Again, just check the instructions on your product, okay?

Karen