Understanding Bacteriostatic Water: Composition, Key Properties, and How It Differs from Sterile Water In any laboratory environment where lyophilized peptides, proteins, or other sensitive biomolecules require reconstitution, the choice of solvent is not just a procedural formality—it directly influences experimental reproducibility and long-term stability. Bacteriostatic water is a specialised aqueous solution that contains 0.9% benzyl …