There is another possibility for inaccuracy of bottles. A PharmD. that I used to work with told me that the in a up to a 10% error in things like syringes. I would think that this might also apply to bottles. Rachel Wahl RN IBCLC *********************************************** To temporarily stop your subscription: set lactnet nomail To start it again: set lactnet mail (or digest) To unsubscribe: unsubscribe lactnet All commands go to [log in to unmask] The LACTNET email list is powered by LISTSERV (R). There is only one LISTSERV. To learn more, visit: http://www.lsoft.com/LISTSERV-powered.html