Blinking yellow just means one or more of your dosing containers are getting low. That's normal for the doser to do that. Refill each container in GCC and the blinking yellow will go away.
Take a look at their YouTube channel. They have a video for getting your doser connected to your wifi network.
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-ReefRockerLive
Current Tank Info: Rimless 67g | GHL Profilux 3.1T eX | 2x GHL Doser 2 dosers | 2xGHL Mitras LX7 LED | Abyzz a100 | Bubble King DC 150 | 2x Vortech MP40w QD | Fauna Marin Zeomatic 2.2ltr | Fauna Marin Zeolight System | Fauna Marin Balling Light Method
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