Blog - GHL Advanced Technology

GHL Dosers Enable Fully Automatic, Measurement-Based Dosage Adjustments for Stable Aquarium Conditions

Application examples, Highlights, News, Water ChemistryBy Matthias.Gross November 24, 2025

GHL Dosers offer fully automated, measurement-based dosage adjustments to maintain stable aquarium conditions. Utilizing data from GHL’s Director devices, these dosers can automatically modify dosages, ensuring optimal stability. The system supports various control modes and precise settings, with connectivity options including WiFi for standalone units, enhancing user convenience and system integration.

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Meet the GHL Doser 3 Maxi – High-flow dosing for AWC, ATO, and large-volume tasks

News, Product newsBy Matthias.Gross September 3, 2025

The GHL Doser 3 Maxi offers high-flow dosing solutions for Automatic Water Changes (AWC), Auto Top-Off (ATO), and large-volume tasks. It features precise control with up to 350 mL/min per pump and supports up to 250 doses per day. Connectivity options include LAN, Wi-Fi, and USB, managed via the GHL Connect app or built-in web interface.

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Optimal Lubrication of Peristaltic Pumps

Highlights, NewsBy Matthias.Gross August 27, 2025

The GHL Doser 3 Peristaltic Pump, featuring a planetary gear, is designed for precise dosing and fluid handling. It operates by pressing a flexible tube with rotating rollers, ensuring smooth liquid movement. For optimal performance and longevity, lubrication of moving parts is essential, with a high-performance silicone paste recommended for its balanced viscosity and food-safe properties.

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GHL technology supports sustainable fish farming at the University of Rostock

Application examples, Highlights, NewsBy Matthias.Gross June 24, 2025

The GHL lighting and control system, featuring the ProfiLux controller and LEDControl4 modules, enables precise simulation of various light spectra and brightness levels for aquaculture research. This technology supports the University of Rostock’s efforts to optimize rearing conditions for African catfish, enhancing fish welfare and aquaculture efficiency. The ION Director and KH Director further monitor critical water parameters.

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New Software for PLM-WiFiLAN!

News, Product newsBy Matthias.Gross June 9, 2025

The PLM-WiFiLAN expansion card enhances ProfiLux 4/4e controllers with improved WiFi performance and a LAN port, enabling firmware updates via WiFi or Ethernet through the GHL app. This upgrade offers faster communication, a more stable WiFi signal, and increased memory and processing power, facilitating future enhancements and features for advanced aquarium management.

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GHL Starts Worldwide Shipping May 21 – Powered by FedEx

NewsBy Matthias.Gross May 17, 2025

GHL introduces worldwide shipping starting May 21, 2025, in collaboration with FedEx, enhancing global accessibility to their advanced technology products. Customers benefit from live shipping cost calculations at checkout, optimized FedEx rates for lower costs, and faster delivery with detailed tracking. Shipping fees are dynamically calculated based on weight, volume, and destination for accuracy and transparency.

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NO CONNECTION – When Cloud-Only Systems Leave You in the Dark

Highlights, NewsBy Matthias.Gross May 9, 2025

GHL offers a hybrid aquarium control system that combines cloud convenience with robust local management. Users can access their systems remotely via the myGHL cloud and GHL Connect app, while maintaining full offline functionality through local network and direct USB connections. This ensures continuous operation and control, even if internet or cloud services fail, safeguarding your aquarium setup.

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How Automation Reduces Stress – For You and Your Aquarium

Highlights, NewsBy Matthias.Gross May 9, 2025

Discover how GHL technology makes aquarium care smarter, safer, and more consistent. Managing a thriving aquarium is a rewarding challenge. From dosing and water changes to maintaining stable conditions and ideal lighting – there’s always something to monitor. But the more you automate, the less stress you have to carry. Both for yourself and for your aquatic life. At GHL, we design tools that work together as a complete system – including our ProfiLux aquarium controller, dosing units, sensors, and high-performance lighting – all connected and customizable to suit your setup. Whether you’re caring for a reef, a planted aquarium, or a professional installation, GHL automation gives you reliability, precision, and peace of mind. Automate Water Changes with Confidence Regular water changes are vital – but they’re also time-consuming and easy to postpone. Using the ProfiLux controller in combination with GHL level sensors, you can automate water changes based on…

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ION Director Technology Expands into Greenhouses

News, Product newsBy Matthias.Gross May 9, 2025

Something New is Growing: ION Director Technology Expands into Greenhouses While many of you are already discovering the benefits of the ION Director in aquariums and aquaculture systems, we’re excited to share a glimpse of what’s coming next. Behind the scenes, we’re working with a professional partner from the horticulture industry to develop a specialized version of the ION Director for greenhouse applications. This new system will be able to measure key plant nutrients like calcium, magnesium, potassium, ammonium, nitrate, and phosphate—directly from the water used in modern greenhouse irrigation systems. Planned release: Autumn 2025 Available exclusively in our Industrial Line package Why does this matter to you now? Because it highlights just how far this technology can go.The ION Director stands for proven, future-ready technology – a platform that’s evolving to meet the needs of serious water management. Whether you’re growing corals or tomatoes, our mission is the same:Accurate,…

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ProfiLux in Large-Scale and Research Applications

Application examples, Highlights, News, Water ChemistryBy Matthias.Gross May 9, 2025

How ProfiLux is Used in Large-Scale and Research Applications Advanced Monitoring and Control for Public Aquariums, Aquaculture, and Scientific Research Managing water quality is essential in public aquariums, aquaculture facilities, and scientific research, where stability, precision, and automation are critical. In these applications, even slight fluctuations in water chemistry, oxygen levels, or temperature can have significant consequences. GHL’s ProfiLux Industrial Line (IL) and standard ProfiLux 4, combined with KH Director® and ION Director®, provide comprehensive automation and monitoring of all crucial parameters: pH and KH (carbonate hardness) – Ensures buffer stability and pH consistency. Temperature – Prevents thermal stress and seasonal instability. Salinity and Sodium (Na) – Maintains proper osmotic balance for marine species. ORP (Oxidation-Reduction Potential) – Tracks water quality and organic waste breakdown. Dissolved Oxygen (O₂) – Is essential for aquarium inhabitants. Calcium (Ca) and Magnesium (Mg) – Essential for coral growth, shell formation, and metabolic stability. Potassium…

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