UNS Pro CO2 Dual Gauge Regulator

Usually ships in 1-2 business days from our fulfillment center

The Ultum Nature Systems Dual CO2 Regulator is the perfect hassle-free and all-around solution for those looking to inject CO2 into a planted aquarium tank. The UNS Dual Gauge CO2 Regulator has two gauges to show both working pressure and gas pressure in your tank. This allows for the user to monitor and clearly anticipate the levels of CO2 output, while also knowing when the CO2 supply is running low. It comes with everything you'll need to attach to a standard (CGA-320 threaded) 2.5lb - 20lb CO2 cylinder without worry about potential gas leakage as long as your wrench arm is strong. 

Designed with safety and precision in mind, the Precision SMC Needle Valve allows the user to adjust CO2 output little by little accurately. With the help of the locking mechanism, there's no need to worry about accidental adjustment. Just set it, lock it, and forget it.

Why CO2 injection is important in a planted tank: 3 main factors contribute to the optimal growth of aquatic plants. These factors include nutrients, light and carbon dioxide (CO2). If any of these are unbalanced, the results are algae growth or the withering of plants. The introduction of CO2 in a planted aquarium allows plants to thrive and grow more efficiently, while also giving them the ability to out-compete algae for nutrients. 

No matter what type of planted aquarium setup you have, we recommend CO2 injection for better aquarium plant growth.


UNS Dual CO2 Regulator
CGA320 thread connection stem adapter
Washer ring ensure a leak-proof connection
Precision SMC Needle Valve with a built-in locking mechanism for precise CO2 levels
Built-in solenoid

Ultum Nature Systems Dual Guage CO2 Regulator

Fits disposable CO2 cartridges
Supplied CGA320 thread connection stem adapter allows for this regulator to fit onto standard US CO2 gas cylinders
An adjustable top knob allows for adjustment of working pressure
Able to install on a paintball CO2 cylinder with additional adapter
Shipping, Returns and Refunds
Live plants are shipped Monday - Friday for all west coast orders. For all remaining states, live plants will only be shipped Monday through Wednesday and Friday to ensure they arrive at your doorstep 100% healthy.

Rimless aquariums will be shipped throughout the week via UPS or Fedex Ground. For more information, please visit our FAQ page.

Hard goods can be returned up to 14 days after receipt of purchase. Buyer is responsible for return shipping.

Due to its nature, we are unable to accept returns for live plants. In the unlikely event you are unsatisfied in any way, please contact us ASAP. We provide 100% DOA (Dead On Arrival) protection.

To be eligible for a refund/store credit, please contact us within 12 hours of receiving it and provide a photo of the item in its original packaging.

No worries, we’ll take care of everything as long as it fits the guidelines above.

Most answers to general questions can be found on our FAQ page.
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