Adjusting Chrome Permissions
To Adjust Chrome permissions for Koi.app you can copy the following address into Chrome URL input:
chrome://settings/content/siteDetails?site=https%3A%2F%2Fkoi.app
Disabling WebUSB
If you are connecting your Scales via scales.app or Koi Printer Connect, you will want to disable USB access in Chrome for koi.app.
You can disable USB access by turning the following permissions to "Block".