Does Bac Water Need to Be Refrigerated TikTok BAC Bacteriostatic Water 10ml Polygon Peptides Should BAC water be refrigerated or stored at room temperature? Bacteriostatic Water (Bac Water) Nationwide Peptides by National Science Labs, LLC Bacteriostatic Water Research Grade Ascend Peptides UK Ascend Peptides Uk 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