Desktop Aquarium Complete CO2 kit with Solenoid, 80g CO2 Cartridge
- One-Click Quick Connect — Self-locking design allows fast, tool-free connection and disconnection — perfect for quick, clean canister filter maintenance.
- Upgraded Built-in Ball Valve — Precision-drilled metal ball valve offers smooth 90° flow control, superior sealing, and long-term leak-free performance.
- Leak-Proof Sealing System — Equipped with a leak-proof locking nut and water-flow valve to keep water securely contained and reduce spills during setup.
- Durable Aluminum Alloy Body — Corrosion-resistant aluminum alloy construction outperforms plastic fittings, preventing cracks, leaks, and damage from wear or overtightening.
- Wide Compatibility — Ideal for most aquarium systems. Fits 1/2" (12mm), 5/8" (16mm), and 3/4" (20mm) tubing sizes for easy installation across various tank setups.
Note: Due to shipping restrictions, this product cannot be shipped to Hawaii, Alaska.

Upgraded Large Capacity CO₂ System for Nano Aquariums
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Upgrade 80g Capacity,Same Compact DesignUpgrade from a 45g to an 80g CO₂ cartridge for extended use while maintaining a compact design. At only 10.63 inches tall, it’s ideal for desktop and nano aquariums. Note: The 80g cartridge is larger and cannot fit inside the 45g kit’s outer housing. |
Compatible with 5/8" & 3/8" Thread CO2 CartridgesThis aquarium CO2 kit is designed with a 5/8'' thread and includes a 3/8'' adapter, ensuring compatibility with both 5/8'' and 3/8'' threaded CO2 cylinders. Doesn't include 16g and 45g CO₂ cartridges. |
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Precise Adjustment ValveAllows precise control of CO2 output, ensuring stable levels to meet different aquarium needs. |
Quickly Connect CO2 PipesQuickly connect CO2 system pipes, making installation and removal easy for you to maintenance or adjustments. |
Pressure GaugeDisplays internal CO2 pressure, helping you monitor remaining gas and adjust as needed. |
CO2 Solenoid ValveControls the opening and closing of CO2 supply, enabling automation, co2 conservation, and precise regulation to protect aquatic ecosystems. |
Installation Guide















