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? Tirzepatide Dosage Guide: Mg to Units Conversion & 6 Month Dosing Schedule Retatrutide Injection: Package Insert Prescribing Info Bacteriostatic Water Bac Water 10ml 30ml Vials Sterile Solution sterile solution.com