How to Mix Semaglutide with Bacteriostatic Water Wittmer Rejuvenation Clinic Should BAC water be refrigerated or stored at room temperature? How long do you use you Bac water for? : r Retatrutide 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 BAC water be refrigerated or stored at room temperature?