NutriCulture Phosphate-Buffered Saline (PBS) is a balanced salt solution, which is used for a number of cell culture applications including washing cells before trypsinization, transport of cells or tissue samples, diluting cells for counting, and preparing reagents. NutriCulture PBS does not contain calcium and magnesium for rinsing chelators from the culture before cell dissociation. NutriCulture PBS is prepared with ultra pure water, filter sterilized and autoclaved.