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 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 How to Store Bacteriostatic (BAC) Water Temperatures, Do's & Don'ts, vialcase.com B12 Injections at Olympia Can Vitamin B12 Deficiency Indicate Cancer? Know Warning Signs Bacteriostatic Water for Injection: Package Insert Prescribing Info