Aquarium CO2 Accessories

The UNS CO₂ Diffuser is designed for aquascapers who want clean visuals and reliable performance, because no one wants a bulky piece of plastic dis...

If you started your high-tech nano tank journey with disposable cartridges but are ready to transition to a more cost-effective, long-term solution...

Over months of continuous operation, the microscopic pores on your inline diffuser's ceramic disc can slowly trap organic buildup, debris, or hard ...

This item qualifies for FREE shipping to the contiguous U.S. Shipping to Alaska or Hawaii? Contact us for a custom shipping quote—we’re here to hel...

Your solenoid is the electronic gateway of your CO₂ system. When your timer clicks off at night, the solenoid is supposed to shut tight to prevent ...

If your CO₂ cylinder is full but your regulator's working pressure gauge refuses to budge from zero, the culprit is almost always a worn or locked ...

Your regulator's electronic solenoid valve is the absolute heart of automated carbon dosing. Because aquarium plants only consume carbon dioxide wh...

The UNS Micro CO₂ Regulator Kit packs a regulator, a silent solenoid, and a bubble counter into one sleek, incredibly compact bundle. It is the ult...

The UNS Micro CO₂ Bubble Counter gives you a crystal-clear visual on exactly how much CO₂ is entering your aquarium so you can keep your plants hap...

The UNS Micro CO₂ Solenoid is the brain of your gas setup, allowing you to completely automate your tank's schedule. Simply plug it into a standard...

The UNS Micro CO₂ Regulator is the absolute smallest model in the lineup, designed specifically to save space without cutting any corners on perfor...

The UNS CO₂ Cylinder Pro (2.5LB) is a heavy-duty, premium aluminum tank that supports thriving, high-tech planted aquariums. Lightweight, corrosion...

Over time, the fluid inside your glass drop checker will naturally fade, lose its vibrancy, and become less reactive to your tank's chemistry. If y...

When you are injecting pressurized CO₂, finding the sweet spot is a delicate balancing act. Too little gas stalls plant growth, while too much can ...

The UNS CO₂ Cylinder Pro (20LB) supports planted tanks that demand long‑term stability and a serious, uninterrupted CO₂ supply. With a massive, ref...

The UNS CO₂ Cylinder Pro (5LB) is a compact, heavy‑duty aluminum tank engineered to give planted‑tank hobbyists reliable, long‑lasting CO₂ delivery...

When you are managing a beautiful nano aquarium or a compact desktop scape, finding space for bulk equipment can be a real challenge. The UNS CO₂ P...

The UNS Pro CO₂ Manifold Block is an add-on extension designed to clip directly onto your existing UNS Pro Dual Stage Regulator. By stacking these ...

Attach your CO2 regulator to a paintball CO2 tank using this adapter! A built-in pressure relief hole is included for increased safety measures whe...

This item qualifies for FREE shipping to the contiguous U.S. Shipping to Alaska or Hawaii? Contact us for a custom shipping quote—we’re here to hel...

This item qualifies for FREE shipping to the contiguous U.S. Shipping to Alaska or Hawaii? Contact us for a custom shipping quote—we’re here to hel...

Standard plastic airline tubing gets stiff, brittle, and kinked over time (usually right behind the cabinet where you can’t see it), cutting off th...

Over time, standard soft hoses will balloon, leak gas through their walls, or pop straight off your equipment. The UNS Pro CO₂ Tubing is engineered...

The UNS Micro CO₂ Complete Kit (7-Piece) solves everything by packing a professional-grade, space-saving carbon system into one single box. Built s...