We’ve worked hard to improve your shopping experience. However, if you notice that a product or feature is missing, please contact us: sales@ghl-kl.de.
For our US customers, please visit the dedicated GHL USA Store.
From dedicated aquarists to leading research teams and aquaculture professionals – GHL delivers precision control, dosing, lighting, and monitoring solutions that set the industry benchmark.
Engineered and made in Germany for those who demand reliability, innovation, and long-term performance.
Experience the difference – enjoy your passion.
Your GHL Team
Complete standalone bundle for automated multi-ion measurement and dosing with a price advantage compared to buying separately.
No additional controller required.
Complete bundle for automated multi-ion measurement and dosing with a price advantage compared to buying separately.
Not a standalone solution – requires a compatible GHL master device.
Complete standalone bundle for automated alkalinity (KH) measurement and dosing with a price advantage compared to buying separately.
No additional controller required.
Complete bundle for automated alkalinity (KH) measurement and dosing with a price advantage compared to buying separately.
Not a standalone solution – requires a compatible GHL master device.
Pre-order promotion: Save until Jan. 04, 2026!
Complete ProfiLux 4e control with added convenience: This bundle combines the ProfiLux 4e Starter-Set 6E with the GHL Control Pad, giving you a powerful aquarium controller plus an always-on touchscreen display for quick access to essential functions. Save compared to purchasing individually.
Pre-order promotion: Save until Jan. 04, 2026!
Complete ProfiLux 4 control with added convenience: This bundle combines the ProfiLux 4 Mega-Set 6E with the GHL Control Pad, giving you a powerful aquarium controller plus an always-on touchscreen display for quick access to essential functions. Save compared to purchasing individually.
Pre-order promotion: Save until Jan. 04, 2026!
A dedicated 24/7 touchscreen display for your ProfiLux 4(e).
Provides instant access to key measurements, manual controls, and system actions — no phone or app needed.
Flexible wall or flush-mount installation.
Highly precise and stabilized reference solution for ION Director
Expansion card for ProfiLux 4/4e: Enhanced WiFi + LAN connectivity
Highly accurate and stabilized calibration fluids for our sensors.
Highly exact and stabilized reagent solution for the KH Director.
Pumps-Upgrade Kit for all GHL Doser 2.x
Front panel with 4 GHL Doser 3 peristaltic pumps with planetary gear and stepper motors, LEDs and keys
Pre-assembled
Multi-Ion sensor, especially for ION Director.
pH-electrode, BNC, 3 m cable
Mini-DIN, 3 m cable for horizontal and vertical installation
Level sensor fastener angled for level sensor holder 12mm slot, suitable for our Optolevel version 2, amongst others
Filter for filtering the sample water.
Feeding fish fully automatically
Pre-order promotion: Save until Jan. 04, 2026!
A dedicated 24/7 touchscreen display for your ProfiLux 4(e).
Provides instant access to key measurements, manual controls, and system actions — no phone or app needed.
Flexible wall or flush-mount installation.
Level sensor fastener for level sensor holder 8mm slot, suitable for our Floater, amongst others
Mini-DIN, 3 m cable
Tube of Silicone, ID = 4.0 mm, OD = 6.0 mm, l = 5 m
