This BAC water froze in my fridge (opened it a month ago) safe to use after defrosting? : r Retatrutide Bacteriostatic Water Bac Water by Hospira Mountainside Medical Tagged "Sterile Water For Injection" 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 Reconstitution Solution for Laboratory Use