Peptide Stability: How Long Do Peptides Last? 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 Dantrolene Sodium for Injection, USP Rx only Understanding peptide handling starts with the basics. From reconstitution methods to proper storage conditions, small details can make a big difference in maintaining stability and consistency. This guide breaks down key principles