Injections: Bacteriostatic Water for Injection, 30 mL Pipeline Medical Hospira, Inc., Issues A Voluntary Nationwide Recall for one lot of BACTERIOSTATIC WATER for Injection, USP, due to a Potential Lack of Sterility Assurance Pfizer 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 Rx Item Water Bacteristatic 25X30 ML Vial by Pfizer Pharma U BACTERIOSTATIC WATER Rx only for Injection, USP