• Connect PoolWaterLAB to the app via Bluetooth. • Tap the wrench icon within the "sampling points" field. • Choose your desired sampling points. • Tap the "send to PoolWaterLAB" button. Note: Remember to repeat these steps if you're not logged into your cloud account in the app, as this will need to be done before you can utilize the WiFi cloud feature on your PoolWaterLAB.