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 BAC Water 30mL Bacteriostatic Research Solution Does Bac Water Need to Be Refrigerated TikTok Should BAC water be refrigerated or stored at room temperature? BAC Bacteriostatic Water 10ml Polygon Peptides