How 30ml Bacteriostatic Water Supports Peptide Stability and Reconstitution Tydes How Much Bacteriostatic Water to Add to Peptides? Prime Peptides This BAC water froze in my fridge (opened it a month ago) safe to use after defrosting? : r Retatrutide 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