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 My friend found these little vials taped underneath the refrigerator door and says he has absolutely no idea why they're there or what they're supposed to be for. The only other person How long do you use you Bac water for? : r Retatrutide BAC Down! Refrigerate Promptly and Properly Amazon.com : Planitia Corp. 3D Printed BAC Water Storage Case Waterproof 30ml Vial Storage Case with 3 Slots Freezer Safe Hard Shell Essential Oil Case for Home, Fridge, Travel, 35mm 30ml Bacteriostatic Water (each) Bacteriostaticwater.com