You should only be using Hospira branded bacteriostatic water to reconstitute your peptides. Not that Amazon stuff. None of that Chinese bac water stuff. Just Hospira. The difference between Hospira and other BAC Water 30mL Bacteriostatic Research Solution Bacteriostatic Water (Bac Water) Nationwide Peptides by National Science Labs, LLC Bacteriostatic Water Injection, Multiple Dose Vial 30 mL McGuff How Much Bacteriostatic Water to Add to Peptides? Prime Peptides What is Bac Water?, Bacteriostatic Water (BAC Water) is sterile water that contains 0.9% benzyl alcohol, which helps prevent bacterial growth., Used in research and laboratory settings for