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 Warning that illegal use of Vitamin B12 injections puts city customers at risk City Of Wolverhampton Council Bacteriostatic Water for Peptides and Injections, 30 mL, 25 Box Medex Supply Bac Water 30ml Orovia Wellness Bacteriostatic Water 0.9% Dosage Form: Injection at Best Price in Vadodara Ocean Pharmaceutical 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