Bacteriostatic Water Bac Water by Hospira Mountainside Medical Sterile Reconstitution Solution for Research eBac Water BAC Reconstitution Water for Peptides Bacteriostatic Mixing Solution Essential Reconstitution Water for Peptide Research As peptide research continues to grow worldwide, having reliable bacteriostatic water for reconstitution is a must for any laboratory setup. Our High Purity Sterile Water Peptide reconstitution is not magic. It's math. More BAC water doesn't make the peptide stronger. Less BAC water doesn't make it weaker. It only changes the concentration and how much liquid