Co2 Art PRO-SE Series V2 - Aquarium CO2 Dual Stage Regulator with Integrated Solenoid

The PRO-SE Series represents the next evolution of our best-selling aquarium dual-stage CO₂ regulator. Completely redesigned from the ground up, it delivers exceptional pressure stability, precision control, and enhanced safety for planted aquariums of all sizes.

Featuring a new pressure-stabilisation system with significantly larger internal springs, the PRO-SE maintains consistent output pressure throughout the life of the cylinder. Its advanced dual-stage design minimises pressure creep as cylinder pressure drops, helping to prevent the risk of end-of-tank dump and keeping CO₂ levels stable to protect your livestock and plants.

Built with reliability and ease of use in mind, the PRO-SE combines premium components with innovative engineering to provide accurate CO₂ delivery for both freshwater and marine aquarium applications.

Key Features

• New Generation Design – Completely redesigned construction for improved performance, reliability, and safety.
• Advanced Dual-Stage System – Reduces pressure fluctuations and helps prevent end-of-tank dump.
• Enhanced Pressure Stabilisation – Larger internal springs provide superior pressure control and precision.
• Integrated 12V DC Solenoid Valve – Safe, energy-efficient operation with automatic CO₂ control.
• Universal Power Adapter Included – Compatible with 100–240V power supplies worldwide.
• Adjustable Working Pressure – Fine-tune output pressure up to approximately 40 PSI (3 Bar), suitable for a wide range of aquarium setups.
• Precision Needle Valve – Allows accurate adjustment of CO₂ flow.
• Integrated Bubble Counter – Easily monitor and fine-tune CO₂ dosing.
• Dual Pressure Gauges – Clearly display cylinder pressure and working/output pressure.
• Compatible with a Range of Cylinder Sizes – Dual-stage construction ensures stable performance regardless of cylinder capacity.
• W21.8 × 14 Thread Connection – Compatible with ISTA aluminium CO₂ cylinders and other cylinders using the same standard thread.
• 2 year warranty & Lifetime Tech Support from Co2 art

Designed for Serious Aquascapers

Whether you're running a nano aquascape or a large high-tech planted aquarium, the PRO-SE Series provides the stability and precision needed to maintain consistent CO₂ levels. By eliminating the sudden pressure increases often associated with single-stage regulators, it helps create a safer and more stable environment for fish, shrimp, and aquatic plants.