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It’s Good to Know There is Always Something New from GHL.

We have only one goal. To drive forward the technical development in aquatics at the highest level possible.

Find out about new products, deals and events.

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Tank Of The Month – TOTM January 2020

My name is Ole Ovesen, and I Iive near Aalberg, in northern Denmark. My interest in aquariums started at an early age. As a young boy, I had Read More …

Tank Of The Month – TOTM December 2019

My name is Janne Koskinen and I’m from Tampere Finland.
I got my first tank a 60 liter (15 gallon) freshwater tank 42 years ago. The hobby was a lot Read More …

ION DIRECTOR – Automated Ca, Mg, K, Na and NO3 testing made easy! (version for US customers)

Achieve the next level of water testing automation with the ION Director (IOND). Through the use of ion-selective technology, the IOND automatically measures and controls Calcium, Magnesium, Potassium, Sodium and Nitrate levels in saltwater aquariums. Get a deeper understanding of Read More ...

ION DIRECTOR – Automated Ca, Mg, K, Na and NO3 testing made easy! (non US version)

Achieve the next level of water testing automation with the ION Director (IOND). Through the use of ion-selective technology, the IOND automatically measures and controls Calcium, Magnesium, Potassium, Sodium and Nitrate levels in saltwater aquariums. Get a deeper understanding of Read More ...

Cyberweek 2019

GHL Cyber Week starts NOW! Buy now the aquarium controller with the highest safety and quality standards and the most features! Only from Nov. 28 to Dec. 06, 2019: ProfiLux 4 Mega Set 6E - only 665.50€ instead of 739.40€ Read More ...

Tank Of The Month – TOTM November 2019

My name is Michael Shur and I’m from Brooklyn, NY.

I have been in this hobby for about nineteen years now. During this time I have had both good and bad experiences as we all have. In 2007 I decided to upgrade my 120 Gallon to a larger 180 Gallon Oceanic with new automated system. Read More …

Tank Of The Month – TOTM October 2019

Hello, my name is Martin Grob and I am from Zurich, Switzerland.

I started out in the reef aquarium hobby about five years ago. When I first started, I had a 500 liter/130 gallon off the shelf display which I ran for about four years before upgrading to my current custom 1900 liter/500 gallon display a little over a year ago. Read More …

Aquatic Season Start 2019 Special Offer – all Mitras LX7 on sale for a short while only

Start of Aquatics Season 2019 No more compromises - Your tank deserves the best illumination! Only for a short time: Special Offer LED-fixture Mitras LX7 Models with 4 clusters: Only 395€ instead of 471€ Models with 6 clusters: Only 647€ Read More ...

Reef A Palooza Chicago October 2019

GHL is going to Reefapalooza Chicago! Renaissance Schaumburg Convention Center, October 19 - 20, 2019. World premiere: See the new ION Director live in action! Fully automatic measuring of Ca, Mg, K, Na and NO3 without reagents. See you at Read More ...

The new high-power LED aquarium luminaire Mitras LX 7X04

Mitras LX 7204 and 7004 LED luminaires with extreme power density - versions for seawater and freshwater aquariums Mitras LX series with 4 clusters GHL is proud to announce new models of the Mitras LX series of high-end LED aquarium Read More ...