The UNS Micro CO2 Regulator is the most compact regulator in the Ultum Nature Systems CO2 lineup, designed for hobbyists who want the smallest possible pressurized CO2 setup without sacrificing flexibility. As the foundation of the Micro CO2 ecosystem, it allows aquascapers to build a customized system around their specific needs by pairing it with compatible Micro accessories such as the Micro Solenoid and Micro Bubble Counter.

Best For
- Nano planted aquariums
- Desktop and countertop aquariums
- Minimalist aquarium setups
- Hobbyists building a custom CO2 system
- Limited cabinet space

Why Choose the UNS Micro Regulator?

Ultra-Compact Footprint: One of the smallest aquarium CO2 regulators available, the Micro Regulator is designed for setups where space is limited while still providing dependable CO2 diffusion.
Reliable Everyday Performance: Built from durable aluminum alloy with a clean gunmetal finish, the Micro Regulator delivers reliable performance and clean silhouette.

Small enough to fit in a pocket, the UNS Micro Regulator is one of the tiniest pressurized CO2 solutions available for planted aquariums!

The UNS Micro Regulator is sold as a standalone component and is intended for hobbyists who want the flexibility to customize a CO2 system. For a more complete solution, we recommend the UNS Micro CO2 Regulator Kit, which includes the regulator, Micro Solenoid, and Micro Bubble Counter.

Product Compatibility
- UNS Micro Solenoid
- UNS Micro Bubble Counter
- UNS Disposable CO2 Cartridges

What’s Included
- UNS Micro CO2 Regulator