Bacteriostatic Water for Injection USP Hospira Pfizer 30mL 25 Pack Mountainside Medical CANLABS: Does BAC Water Expire? Have had for a year in fridge. : r Peptides How long do you use you Bac water for? : r Retatrutide Is it true that bac water has life of 30 days after 1st used then toss out??? Or is this stuff still usable ?? : r Retatrutide 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