BAC Water Canada Bacteriostatic Water for peptide dilution Does your injection sting? That's not normal. A common sign of low quality BAC water is a pH that is too acidic (below 4.5). This doesn't just cause painit can How much BAC water should you use? It depends There is no one size fits all answer. Different vials may need different amounts of BAC water depending on how strong you want the final mix Bacteriostatic Water Power Peptides