GHL Connect – Get the most out of Your GHL Devices

Welcome to GHL Connect, the revolutionary universal platform that seamlessly integrates all your GHL devices with a unified, user-friendly interface. Dive into an intuitive experience where simplicity meets technical sophistication, allowing you to master your devices with ease. GHL Connect is not just a tool; it’s your gateway to a world of possibilities, offering an unparalleled range of features, customization options, and performance.

From precise adjustments to real-time monitoring, GHL Connect empowers you with detailed diagrams, a comprehensive logbook, insightful analyses, and instant alerts through push notifications or emails for any events or alarms. Take control like never before with multi-device management, and effortlessly initiate actions such as water changes, simulate natural phenomena like thunderstorms or dose manually, this and more is at your fingertips, making GHL Connect a powerful tool for all GHL users.

Safety and Connectivity

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From inland_reef @Instagram

🤘🏼Checking in on the tanks🤘🏼
I think this is one of the biggest benefits to an aquarium controller! Checking on the tanks while you’re away.

In this case I was checking in while watching St Louis City SC destroy Sporting KC…

GHL Connect stands out with its extensive connectivity options. Available as an app for both iOS and Android, as innovative cloud service myGHL, and integrated into the local web server of GHL devices, you’re always connected, anytime, anywhere. Security and availability are our top priorities. With the optional direct access to all devices via the local network, you’re never left in the dark, even in the face of internet outages, setting us apart from competitors reliant solely on cloud solutions.

Behind GHL Connect is a passionate team of experienced developers, constantly evolving the platform based on the valuable feedback from our vibrant GHL community. And the best part? Lifetime free updates ensure that you’ll always stay ahead of the curve, enjoying the latest features and improvements long after your initial purchase.

Experience with GHL Connect the future of aquatic device management, where innovation meets reliability, and your satisfaction is our mission.

Welcome to the GHL family, where possibilities are endless.

GHL Connect Features and Functions

Customizable dashboard

The layout of the dashboard is freely configurable. Specify which information you want to see, where, and in what size.

Adjust settings conviniently

With GHL, you can easily make even complex settings and use the full range of functions of your GHL devices.

Initiate actions

Start water change, feeding, maintenance, storm, or KHD or IOND measurement, among other things.

Manually dose, prime hoses, or perform a calibration.

Measurement recording and evaluation

Evaluate the history of all measured parameters in diagrams and tables and compare values with each other. The time axis and displayed parameters can be customized and minimum, maximum and average values are displayed. The comparison with logbook entries is possible with ease.


Log all events at your aquarium that seem important to you. This way, you can later compare these events with measurement trends and identify possible causes of problems.

Display of current states and values

Stay informed at all times about all water values, fill levels of dosing containers, conditions of level sensors, sockets and pumps, as well as anything else that is important to you.

Manual override

You want to temporarily deactivate the automatic control of sockets or lighting and control them manually? No problem, you have full control at all times and can switch to manual operation.

Multi device administration

You can assign as many devices as you like to your GHL Connect account.

Guest access

You can grant third parties access to your devices, for example, for aquarium maintenance or support. Guest rights are adjustable (read-only access or full access) and can be revoked at any time.

App for iOS und Android

Use GHL Connect as an app on your smartphone or tablet. Free download on Google Play Store (Android) or on Apple iTunes (iOS).

Device webserver

GHL Connect is pre-installed on the web server of your device for easy access in the home network.

Cloud-Service myGHL

With the free myGHL cloud service, you can access your GHL devices from anywhere. And of course also within your local network.


GHL Connect currently supports the following languages: German, English, French, Chinese, Italian, Spanish, Dutch.
We would like to thank our GHL community for helping us keep all translations up to date.

100% responsive design

Compatible with smartphones, tablets, and computers of all screen sizes. No matter the size or resolution of your device, GHL Connect will always be displayed optimally.

Connection via cloud or locally

Access worldwide via Cloud myGHL, establish a direct connection with Access Point mode or connection in the local network with Client mode.


Free download on Google Play Store (Android) or on Apple iTunes (iOS).


For GHL devices:

  • ProfiLux 3: Firmware min. V6.30
  • ProfiLux 4: Firmware min. V7.08, WiFi-Modul Firmware mind. V6512
  • ProfiLux Light/Mini WiFi: Firmware min. V1.09, WiFi-Modul Firmware mind. V6512
  • GHL Doser 2.0/2.1 (Maxi): Firmware min. V1.24
  • GHL Doser 2.2 (Maxi): Firmware min. V1.42, WiFi-Modul Firmware mind. V6512
  • Mitras LX7: Firmware min. V1.07, WiFi module firmware min. V6619

Minimum OS for smart devices:

  • iOS 9
  • Android 4.4


In case you want to update the firmware of your device

The newest firmware is included in the PC software GHL Control Center, the WiFi module firmware is a separate download, please refer to the instructions for updating the WiFi module.


Instructions, software and firmware can be found in our download section.