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Dear customers,


Our Black Friday promotions conclude with a focused offer on the core of advanced aquarium automation: precise measurement, intelligent control, and long-term stability.
A great opportunity to upgrade your aquarium with proven, reliable GHL technology.


Until Cyber Monday, December 1, 2025, you’ll receive 12% off all ProfiLux Controllers, KH Director and ION Director - including sets.
Apply Coupon Code BF25-CONTROL at checkout to receive the discount.

ONLY at GHL Europe Store or GHL USA Store


Advanced Measurement & Control – Built for Long-Term Stability

GHL control and analysis systems are designed to deliver consistent, reliable performance year after year.
With precise measurement, intelligent automation, and proven hardware design, they help maintain stable water parameters and reduce day-to-day workload.



  • Accurate monitoring of key water values
  • Automatic adjustments based on real measurements
  • Robust construction for demanding marine and freshwater systems
  • Highly configurable control options for pumps, lighting, dosing, and safety
  • Long-term reliability through quality components and ongoing firmware development



If you’re looking to enhance stability, automation, and peace of mind in your aquarium, now is the perfect time to upgrade.


Your GHL Team