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 BAC water be refrigerated or stored at room temperature? Bacteriostatic Water Bac Water by Hospira Mountainside Medical Tagged "Sterile Water For Injection" Should BAC water be refrigerated or stored at room temperature? This BAC water froze in my fridge (opened it a month ago) safe to use after defrosting? : r Retatrutide 30ml Bacteriostatic Water (each) Bacteriostaticwater.com