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
ION Director - Update about the shipment
Published 4/1/2020 in GHL (International)
ION Director, White
The current corona crisis is causing serious problems in material procurement and logistics worldwide, with many supply chains experiencing major delays. Since GHL has a very large stock of raw material and finished products, the delivery time of already existing products is rarely affected. However, with new developments - such as the ION Director - there is...read more ❯
GHL is here for you
Published 3/23/2020 in GHL (International)
Dear customer, The increasing spread of the coronavirus (COVID-19) is also a daily concern for us. We follow the current developments very closely and continuously adapt our measures. Delivery times In the current crisis, we are once again benefiting from our philosophy of keeping a high inventory level. Due to the large stock of raw materials...read more ❯
Tank Of The Month - TOTM March 2020
Published 3/17/2020 in GHL (International)
TOTM_03_20, Pedro Gomez' Island Reef
Hello, my name is Pedro Gomes and I’m from Portugal. Thirteen years ago, I was researching some ideas for my home koi pond in an online forum and navigated to the saltwater aquarium section. I found myself very intrigued andread more ❯
Software-Update March 2020
Published 3/15/2020 in GHL (International)
After five months of development work we proudly present a major software update! The new firmware version 7.24 of ProfiLux 4 offers you in conjunction with the latest version of GHL Control Center ( as well as GHL Connect many new possibilities and detail improvements. The most important updates are described below. Please note the important update...read more ❯
Current delivery situation at GHL (as of February 24 2020)
Published 2/24/2020 in GHL (International)
Dear customer, dear customer, we would like to inform you about the current delivery situation. Although GHL...read more ❯
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