ProfiLux 4: ATO (1-sensor) setup via GHL Connect @ProfiLuxGHL
ProfiLux 4: ATO (1-sensor) setup via GHL Connect @ProfiLuxGHL
Uploaded August 2019 | Updated September 2026, 2 weeks ago
How to setup and program a single-sensor Auto Top Off function via GHL Connect, using the example of a ProfiLux 4 controller.

Applies to the following products:
- ProfiLux 3 / 3.1 T/N/A
- ProfiLux 3 Outdoor
- ProfiLux 4 / 4e
- GHL Doser 2 / Maxi

Product pages: aquariumcomputer.com/products
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GHL Advanced Technology |

ProfiLux 4: ATO (1-sensor) setup via GHL Connect

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