OneTouch Ultra Control Solution - 1 Vial
Provides fast and accurate readings using the OneTouch Ultra Control Solution. It ensures that your meter and test strips are working together properly. The product contains a known amount of glucose that reacts with OneTouch Ultra Test Strips. Control Solution tests are recommended: whenever a new vial of test strips is opened, if you suspect the meter or test strips are not working properly, if you have repeated unexpected blood glucose results, if you drop or damage your meter.