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 Should bacteriostatic water be stored in the refrigerator? How to Reconstitute Your Peptides , A clean, simple step by step so you can mix your peptides with BAC water confidently and get smooth, accurate dosing every time., This method works beautifully for