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 Bacteriostatic Water 30ml: Its role in Peptide Research Tydes Should BAC water be refrigerated or stored at room temperature? Should BAC water be refrigerated or stored at room temperature? Bacteriostatic Water Research Grade Ascend Peptides UK Ascend Peptides Uk 10ml Bacteriostatic Mixing Water