Co2 Art Pro-SE Series Complete Aquarium CO2 Inline Injection Kit
Want high performance with minimal visual clutter? This inline CO₂ bundle keeps the gear in the cabinet and the scape in the spotlight. CO2Art is known for precision CO₂ hardware designed specifically for planted aquariums—reliable, tidy, and built for daily use.
At its core, the CO2Art PRO-SE dual-stage regulator (W21.8 / AU–NZ Type 30) delivers stable output from full cylinder to near empty. It features an integrated solenoid for effortless on/off control, a medical-grade needle valve for ultra-fine adjustments, and a bubble counter with built-in check valve to protect your system and make tuning a breeze.
CO₂ is dissolved efficiently via the CO2Art inline diffuser, plumbed into your canister filter return—so you get fine-mist dissolution and a crystal-clear display with no in-tank disc. The glass drop checker kit helps you dial in levels at a glance, while the clear, rigid polyurethane CO₂-resistant tubing (choose 3 m or 6 m) gives a neat, durable run from cylinder to cabinet hardware.
What’s in the kit?
- CO2Art PRO-SE Dual-Stage Regulator — W21.8 (AU/NZ Type 30), integrated solenoid, medical-grade needle valve, bubble counter with built-in check valve, 5-year warranty
- CO2Art Inline Diffuser — choose 12/16 mm or 16/22 mm
- CO2Art Glass Drop Checker Kit
- CO2Art Clear CO₂-Resistant Tubing — rigid polyurethane, choose 3 m or 6 m
- Spare seals & fittings as supplied by CO2Art
Choosing your size (inline diffuser)
- 12/16 mm — fits most mid-size canister
- 16/22 mm — suits larger, high-flow canisters
Compatibility notes
- For use with pressurised CO₂ cylinders using W21.8 (AU/NZ Type 30) valve threads.
- Install the inline diffuser on the filter outflow (return) line.
- Use only CO₂-rated tubing and secure all connections.
Quick setup tips
- Install the regulator securely on the cylinder and check all fittings.
- Open the cylinder valve slowly.
- Set working pressure to 30–40 psi for the inline diffuser.
- Run CO₂ 1 hour before lights on and switch off 1 hour before lights out.
- Bubble rate depends on tank size — adjust gradually using the drop checker.
Built for aquascapers who want CO2Art precision, clean lines, and reliably dissolved CO₂—out of sight, very much in effect.