Uses of Bacteriostatic Water for Injections and Where to Get It Bacteriostatic Water USP 30ml x 2 vial Hospira Bacteriostatic Water Canada Fake BAC Water is a Real Problem : r Biohackers Sterile Water Sterility Research Bacteriostatic Water for Injection, USP 30 mL MDV Med Plus Physician Supplies DID YOU KNOW? Bacteriostatic Water contains 0.9% benzyl alcohol, which prevents bacteria from growing after the vial is opened. This makes it safe to use for up to 28 days once punctured