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 Bacteriostatic Water 101: Comprehensive Guide to Its Uses and Storage SyringesNeedlesDepot Should BAC water be refrigerated or stored at room temperature? Bac Water 30ml Vial Case, Durable Bacteriostatic Water Organizer, Amino, GLP1, Insulin Case, Fits Hospira BAC Water Vials, Peptide Storage Etsy 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