Bacteriostatic Water 101: Comprehensive Guide to Its Uses and Storage SyringesNeedlesDepot Do you guys refrigerate your bac water after first use? : r Peptides Bacteriostatic Water for Injection USP Hospira Pfizer 30mL 25 Pack Mountainside Medical 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? Instructions for preparing peptide solutions with BAC water and administering subcutaneous injections. A couple of points: Use 3 ml lure lock syringes. Use needles that are about 20 25 g, 1 1.5 inches