Bacteriostatic Water for Injection Injection 30 mL McKesson Bacteriostatic Water Bac Water by Hospira Mountainside Medical Tagged "Sterile Water for Injection 50 mL" Hospira: Lack of sterilisation confirmation triggers voluntary recall of Bacteriostatic Water for Injection Bacterostatic Water BAC 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 Hospira BAC water is designed specifically for reconstituting peptides. The bacteriostatic agent (0.9% benzyl alcohol) helps inhibit bacterial growth, allowing for safe multi dose use. Quality matters here. Using a trusted, medical grade product