I use my Doctors site for reference. Hope it helps you as well.
https://defymedical.com/12-services/289-how-to-mix-your-hcg
Go ahead and mix 10ml of the bacteriostatic water in with the vial. As far as dosages, that will vary, but I take 350iu every 3 days and it seems to work well for me. Everyone will be a little different. This means that after mixed I pull up to the 35 marker on the insulin syringe. I hope this helps. You can also take this with Viking Nectar since they are different compounds.