Thank you for putting in this work @Krysia830073 We've also been systematically ordering hospira bac from a bunch of sites and are sending them out for testing because we believe most are BAC Water 30ML Seacoast Aminos 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 Hospira Bacteriostatic Water 30ml Cerberus Research Chem Sterile Water for Injection, USP 10 mL (1 bottle)