Important information for control solution:

• Check the expiration date on the control solution vial. Do not use control solution past the expiration date or you may get inaccurate results.
• Store only for 3 months after first opening. When you open a new vial of control solution, count forward 3 months and write that date on the label of the control solution vial. Discard any remaining solution after the date you have written on the vial.
• Store the control solution tightly closed at room temperature below 86°F (30°C). Do not refrigerate or freeze.
• Shake the control solution well before using.