We are the manufacturer of these popular high-tech products for aquariums:

  • High-Power LED-luminaires Mitras
  • Aquariumcontroller ProfiLux
  • GHL Doser
  • KH Director
  • … and many more.

Read more about the finest products in the aquarium industry here.

Where to buy

GHL Webshop for USA

GHL Webshop for all other regions

If you need help purchasing our products just send us an email to: sales@ghlusa.com.


We take customer service very seriously. In order to best serve you, we offer you several support channels.

For warranties and repairs we recommend to contact your retailer first. If you require additional support please contact us.

For dealers

Interested in selling our products? Please contact us!

If you are from North America: sales@ghlusa.com

Other regions: sales@ghl-kl.de


Are you looking for documents, manuals, software, or firmware updates?

If so, please take a look at our download section.

Free Shipping

Free shipping on all orders over $150.

Help & Support

Do you have questions or need technical support?

We’re here to help.
Please visit our dedicated GHL support page
at www.aquariumcomputer.com.

Shipment to Canada

Looking to order from CANADA?

Submit your order and mailing address
via email to info@ghlusa.com.

GHL News
Benthocosms in Kiel
Published 2/6/2016 in GHL (International)
ProfiLux controllers support scientific experiments about the global climate change Following example shows in an impressive way how science uses one of the numerous special functions of the ProfiLux: The dynamic setpoint control. The scientists expose these biocoenoses to changed environment conditions. In one experiment the actual temperature and pH-value of the Kiel Fjord are...read more ❯
Reef A Palooza April 2016
Published 12/15/2015 in GHL (International)
23. till 24. April 2016 you´ll find us at  Reef A Palooza in Orlando, Florida.read more ❯
Reef A Palooza June 2016
Published 2/7/2016 in GHL (International)
25. till 26. June 2016 you´ll find us at Reef A Palooza in New York.read more ❯
MACNA September 2016
Published 2/7/2016 in GHL (International)
09. till 11. September 2016 you´ll find us at MACNA, San Diego.read more ❯
ProfiLux Expansionbox 2. Just more ProfiLux.
Published 11/15/2015 in GHL (International)
Expansionbox 2 white
Get more out of your ProfiLux. Looking to expand Profilux even further? With the Expansion Box 2, the aquarium controller ProfiLux 3 can be upgraded to allow for even more expansion capabilities. The new Expansion Box 2 connects to the Profilux via secure ProfiLux Aquatic Bus. When connected, ProfiLux automatically detects the newly present features. LEARN MORE > read more ❯
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