When to use a control solution:
- To practice the test process without having to use blood
- Once a week to check your meter
- Whenever you open a new vial of test strips
- If you suspect the meter or test strips are not working properly
- If you are repeatedly getting unexpected blood sugar results
- If you drop or damage your meter
Discard after 3 months of first opening the bottle. The bottle contains enough solution for approximately 75 tests (4 mL).