The fluid glass pane on the front of your Grobo is able to switch from transparent to opaque with the click of a button. Keeping it opaque allows you to control the light entering your Grobo as well as for discretion when you have guests over.
You can operate the fluid glass on the front of your Grobo two ways:
1. Press the user button on the back right corner of your Grobo
2. On the app, click the glass icon