I prefer to buy a 10mL vial of bacteriostatic water at the drug store and employ this method:
1.Swab top of water vial with alcohol
2.Draw up some water
3.Break off top of HCG ampule
4.Use needle to squirt water into amp slowly (not too much, keep some water in syringe)
5.Gently swirl water in amp until white powder dissolves
6.Use second needle to draw solution out of ampule
7.Swab top of water vial with alcohol
8.Inject HCG solution into sterile water vial (not too fast, gently)
9.Repeat steps 4-8 with remaining water
10.If any water remains in water syringe, inject into vial
11.This leaves 5000iu HCG (or whatever you have) in 10mL of solution
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