Bacteriostatic Water: A Comprehensive Understanding Westend Medical Supplies Bacteriostatic Water 3ml from Peptideware Bacteriostatic Water vs. Sterile Water: The Differences That Can Save Bacteriostaticwater.com 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 reconstitution and dilution. Visit It's the invisible foundation of your entire research protocol You spend hours researching peptides and verifying purity, but are you overlooking the water you mix them with? Bacteriostatic Water (BAC Water)