I personally add 2mls, that way each tick mark (2iu) is 50mcgs.
RamboStallone Featured Member/Kilo Klub Featured Member Kilo Klub Member Registered Joined Jul 2, 2014 Messages 7,155 Mar 17, 2016 #21 I personally add 2mls, that way each tick mark (2iu) is 50mcgs.