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GLA GRO Aquarium CO2 Regulator (DIN477)

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GLA GRO Aquarium CO2 Regulator (DIN477)
GLA GRO Aquarium CO2 Regulator (DIN477)
GLA GRO Aquarium CO2 Regulator (DIN477)
GLA GRO Aquarium CO2 Regulator (DIN477)
GLA GRO Aquarium CO2 Regulator (DIN477)
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GLA GRO Aquarium CO2 Regulator (DIN477)
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DIN-477 (EU, AU, UK)


Pressure Reduction



CO2 Distribution


GLA GRO Planted Aquarium CO2 Regulator (DIN477)

Our GLA GRO CO2 Regulator (DIN477): a sleek, compact, and high-performance solution tailored for single aquarium setups. Crafted using top-notch components, this regulator ensures optimal CO2 distribution in your planted nature aquarium.

Proudly designed in the USA, we utilize premium pneumatic components to guarantee both reliability and innovation in CO2 distribution. Every regulator, meticulously built and tested by our skilled CO2 engineers, comes with a commitment to lifelong customer support.

Renowned for our cutting-edge approach, our CO2 technology has earned trust within the planted aquarium community. By pushing the boundaries of aquarium CO2 technology, we've established a fresh industry benchmark. We're passionate about delivering exceptional CO2 regulators and systems to both aquarium enthusiasts and specialized sectors in search of premier CO2 equipment.

  • Streamlined Design: Sleek and compact, tailored for single aquarium setups, ensuring a visually appealing experience.
  • High Performance: Optimal CO2 distribution crafted using top-notch components, leading to vibrant and thriving aquatic plants.
  • Lifelong Customer Support: A firm commitment to lifelong support, showcasing our enduring dedication.
  • Industry-Leading Technology: Cutting-edge CO2 technology acclaimed within the planted aquarium community, setting industry benchmarks.
  • Ideal for Enthusiasts & Experts: A reliable choice for hobbyists and specialized sectors, representing excellence in CO2 equipment.
  • Premium aluminum regulator body
  • Micro precision needle valve rotates 360 degrees
  • Innovative, optimal performance 'cool touch' solenoid valve
  • Premium GLA bubble counter with check valve to protect your equipment
  • Multistage micron filtration inlet and outlet
  • Laser precision metal-on-metal valve seat
  • Integrated pressure relief valve (PRV)
  • Premium quality pneumatic components
  • Custom designed, pressure tested, and leak tested in the USA
  • Primed for your next aquascape
  • Handcrafted by our expert CO2 engineers for everyday life, so you can enjoy your planted aquarium without worry.
  • We are dedicated to providing unparalleled CO2 technology and setting the industry standard of CO2 distribution excellence.
  • We are confident that our GLA CO2 regulators rise above and outlast the competition.


  • Installation: DIN477 (EU, AU, UK)
  • Output Pressure: 0 - 70 PSI
  • Includes: One nylon seal

Our Standards

Handcrafted Excellence
✓ exceptional care and pride in what we build
✓ bringing our passion to life

Elite Performance
✓ for your next aquascape
✓ and for every aquascape after that

Built to Last
✓ your everyday super CO2 regulator
✓ a regulator that is truly unmistakable

Our Guarantees

Installation Support
✓ dedicated expert installation support
✓ we are here to help you get started

Lifetime Warranty
✓ rock solid lifetime warranty
✓ your peace of mind guaranteed

Lifetime Support
✓ we back what we build
✓ we will be here to help you into the future



Limited Lifetime Warranty: GLA GRO CO2 Regulators are covered under a limited lifetime non-transferrable warranty against defects in materials and workmanship, when used in strict compliance with Green Leaf Aquariums, LLC (GLA) recommended usages, while the goods are under the ownership and control of the original purchaser. The lifetime warranty does not guarantee that the product will perform for the lifetime of the buyer. The actual time that the product can be expected to perform is determined by the highest standard of working time for products of its kind and per the buyers usage and application. If the product is discontinued, the warranty will remain a limited period longer, and then claims will be warranted with a similar product or credit, as determined by GLA, and appropriate to the product's age and condition at time of claim. GLA does not assume any responsibility or make any warranties with respect to items which are modified, altered, abused, misused, damaged, or serviced by unauthorized personnel. The warranty is void if at any time a wrench is used on the regulator, for any purpose, other than to tighten the regulator to the CO2 cylinder. It is important to read instruction guide provided when installing product, for damage due to improper installation is not covered under the warranty, although GLA will happily provide support and service for the product at a determined repair cost.

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