UNS CO2 Cylinder Pro

Name: Glass Aqua UNS CO2 Cylinder Pro - UNS CO2 Cylinder Pro
Brand: Glass Aqua
SKU: 40381196107862
Price: 84.99 USD
Availability: InStock
Rating: 4.8 (17 reviews)

4.5 (1,234)

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$84.99$159.99

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Quantity

Color

Black

Quantity

Description

The UNS CO2 Pro Cylinder is a long-term CO2 source for planted aquariums, offering larger refillable capacity for hobbyists who want extended runtime and fewer refill trips. Available in 2.5LB, 5LB, 10LB, and 20LB sizes, these cylinders are...

Reviews

4.8

25 ratings

Uns CO2 cylinder pro 5lbs

Finish on this cylinder is excellent. Really nice aesthetic touch so you don’t have to hide in a cabinet.

Brentt · July 24, 2026

New and as advertised

Ordered two UNS CO2 cylinders from Glass Aqua (1 10# and one 5#) and both arrived in excellent condition with OEM manufacture dates within 1 year of purchase (to be filled/re-filled CO2 cylinders must be hydro-pressure tested every 5 years or so (~US$40), depending on your local jurisdiction, so this matters!). The white finish looks waaaay better than the usual dinged up aluminum cylinders do. . . if your cylinders are exposed, lol. Good stuff.

Stephen · June 14, 2026

Really happy with the UNC CO2 Cylinder Pro. It feels super solid and high quality, and the design looks really clean next to my tank. Easy to set up and use and works without any issues. Definitely worth it if you want something reliable and nice looking for a planted aquarium. P

Bryce · June 6, 2026

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