Should BAC water be refrigerated or stored at room temperature? 30ml Bacteriostatic Water (each) Bacteriostaticwater.com Does Bac Water Need to Be Refrigerated TikTok Does Water Expire? Shelf Life, Safety, and Smart Storage Explained The Environmental Blog 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