Using BAC water ensures that the pep solution remains stable and pure, preventing the loss of valuable, sensitive compounds. We include 1 free with each order. Check our link in bio. # Does Bottled Water Expire? How to Tell if Water Has Gone Bad CANLABS: Does BAC Water Expire? Have had for a year in fridge. : r Peptides Pfizer Hospira Bacteriostatic Water 30 mL Peptide Test Bacteriostatic Water Shelf Life: The 2025 Best Guide Herbilabs Labware Storing BAC Water Properly for Peptide Use