How to Test with Virta and GK+ Meters: When to Test November 29, 2022 23:31 Updated If you still need assistance, please reach out to Support! Related articles How to Test with Virta and GK+ Meters: Sites besides finger How to Test with Virta and GK+ Meters: How to Test New Member: FAQ How and When to use Control Solution How to Safely Dispose of Lancets and Test Strips at Home