Originally Posted by
JohnED
if by 2 and a half times you mean 2.5ml (which is also how I did the ghrp2)
remember since you've already added 1ml to the vial (right?) you would only need to add another 1.5ml. If you've only used one or two doses out of it I wouldn't worry too much about that affecting the concentration.
You really should figure this all out (on paper if necessary) BEFORE you begin adding water to vials. Be sure of the amount in the vial AND how much your syringe holds (100 units = 1ml with insulin syringes) AND how much each tick represents on the syringes you are using. If something changes (like you start using different syringes) you may need to adjust - or maybe not.