BAC Water Priority Aminos BAC WATER Crescent Chems Research Can You Store Bacteriostatic Water in Fridge Before Opening TikTok BAC Water 30mL Bacteriostatic Research Solution Your eyes are your first line of defense. Good BAC Water: Crystal clear, odorless (faint alcohol scent), and painless. Bad BAC Water: Cloudy, particulate matter, strong chemical smell, or severe burning. 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