Here is how you reconstitute any peptide There is no universal formula for reconstituting peptides. The amount of bacteriostatic water you use depends on the peptide, the dose you're running, and how How long do you use you Bac water for? : r Retatrutide CANLABS: Does BAC Water Expire? Have had for a year in fridge. : r Peptides Should BAC water be refrigerated or stored at room temperature? Your eyes are your first line of defense. Good BAC Water: Crystal clear, odorless (faint alcohol scent), and painless. Bad BAC Water: Cloudy, particulate matter, strong chemical smell, or severe burning.