Bacteriostatic Water & Why Essential for Peptide Research TrimRX How to Properly Mix 10 mg Tirzepatide with Bacteriostatic Water How Long Does Bac Water Last in the Fridge? An Expert Breakdown 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 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