Uses of Bacteriostatic Water for Injections and Where to Get It Bacteriostatic Water & Why Essential for Peptide Research How to Store Bacteriostatic Water Safely Confused about whether BAC water needs refrigeration after opening? According to USP standards and Pfizer's own guidance, both room temp (2025C) and refrigeration are acceptable Uses of Bacteriostatic Water for Injections and Where to Get It Bacteriostatic Water Pure Health Peptides