Do you guys refrigerate your bac water after first use? : r Peptides Tirz 30mg High Yield Dual Agonist 99%+ Pure Can Bacteriostatic Water Expire or Go Bad? Wittmer Rejuvenation Clinic 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 Reconstitution = mixing your peptide powder with bacteriostatic water, Best practice:, Room temp bac water, Inject slowly along vial wall, Avoid foam bubbles, Gently swirl (never shake), Bacteriostatic Water Suppliers: Sterile Water, Syringes & More Bacteriostaticwater.com