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 Should BAC water be refrigerated or stored at room temperature? 10ML Bacteriostatic Water ez peptides official The Complete Guide on Bacteriostatic Water MedLab International Hospira Bacteriostatic Water 30mL Peptide Reconstitution