Normal Saline (Sodium Chloride), 0.9% (w v), Sterile What Is Bacteriostatic Water For Peptide Reconstitution? UMBRELLA Labs I need a little more education about water(?!): sterile v saline v bacteriostatic. And which can be used for what. And even source one of them? : r DIYHEAVEN BAC STAT Bacteriostatic Saline 0.9% (30ml) 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