Bacteriostatic Water, Sterile Should BAC water be refrigerated or stored at room temperature? Does Bac Water Need to Be Refrigerated TikTok How Long Does Bacteriostatic Water Last After Opening Wittmer Rejuvenation Clinic Should BAC water be refrigerated or stored at room temperature? 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