Bacteriostatic Water Bac Water by Hospira Mountainside Medical Tagged "Sterile Water For Injection" How to Reconstitute Peptides Using BAC Water Bacteriostatic Water (Bac Water) Nationwide Peptides by National Science Labs, LLC How Much Bacteriostatic Water to Add to Peptides? Prime Peptides 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?