Bac Water 30ml Vial Case, Durable Bacteriostatic Water Organizer, Amino, GLP1, Insulin Case, Fits Hospira BAC Water Vials, Peptide Storage Etsy Should BAC water be refrigerated or stored at room temperature? BAC Water Sunday 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