There are 3 kinds of water, when you order, please notify which one you need.

1.Phosphate buffered saline or PBS solution is a combination of water and salts. It is a non-toxic solution used in many laboratories. Standard PBS usually is composed of sodium chloride, potassium chloride, potassium dihydrogen phosphate, and disodium hydrogen phosphate.
2.Bacteriostatic saline water is a physiological saline solution containing the bacteriostatic agent benzyl alcohol as a 0.9% solution.
3.  Bacteriostatic Acetic Acid is 0.6% AR Grade Glacial Acetic Acid in water that has been made to inhibit the growth of most types of bacteria. It is comprised of sterile and filtered water, with all bacteria removed, which is then mixed with 0.6% AR Grade Glacial Acetic Acid, and 0.9% benzyl alcohol, which prevents any contaminating bacteria from growing in the solution.