Dupla CO2 Reactor S
High-Efficiency CO2 Reactor for Large Aquariums
The Dupla CO2 Reactor S is designed to provide optimum, low-maintenance CO2 fertilisation for large freshwater aquariums. Engineered with German precision, it ensures maximum diffusion efficiency and reliable CO2 delivery for lush, healthy aquatic plant growth.
When combined with the Dupla CO2 Magnetic Valve and controllers such as the Dupla pH-Control Delta or pH-Control Alpha, the Reactor S forms a fully automated and intelligent CO2 fertilisation system—taking the guesswork out of plant care.
The innovative design allows the reactor to be placed outside the aquarium, reducing clutter inside your aquascape. If installed directly in the aquarium or filter sump, the diffusion capacity can be adjusted using multiple vent points along the reactor body.
Key Features
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Optimised for Large Aquariums – powerful CO2 distribution for demanding planted tanks
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Maintenance-Free Operation – designed for long-term reliability
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External Placement – can be installed outside the aquarium for a cleaner look
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Automated Fertilisation – integrates seamlessly with Dupla magnetic valves and pH controllers
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Adjustable Diffusion – vent points allow fine-tuning of CO2 output when used in sump or tank
Technical Specifications
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Model: Dupla CO2 Reactor S
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Application: For large aquariums
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Placement: External or internal (in aquarium or sump)
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Compatibility: Works with Dupla CO2 Magnetic Valve, pH-Control Delta, and pH-Control Alpha
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Function: Provides highly efficient CO2 diffusion for plant fertilisation
What’s Included
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1 x Dupla CO2 Reactor S
