If insufficient saliva is collected, the test will not run. Ensure the sponge is fully saturated before testing. Take your time to collect a good sample — the swab can be reinserted into the mouth to gather more saliva if needed.

To ensure the test runs smoothly avoid eating or drinking 20 minutes before conducting the test kit. Tapping the device on a hard surface can break air bubbles blocking drugs from activating

Faint lines do not indicate a positive result. The test is only positive if the control (C) line is visible and there is no visible line or shadow on the test (T) line.