Chihiros CO2 Regulator

The Chihiros CO₂ Regulator is a compact, high-quality regulator designed to deliver stable CO₂ to planted aquariums. Available in two versions—with solenoid and without solenoid—it gives you the flexibility to choose the setup that fits your tank and style.

Both models feature a sleek, tidy design that keeps your CO₂ system looking clean while providing smooth, reliable pressure control. Installation is simple: just hand-tighten the regulator onto your CO₂ cylinder or use a wrench if preferred. Pair it with a Chihiros Bubble Counter for accurate CO₂ dosing.

Version Options:

🌿 With Solenoid (Automatic Control)
Ideal for users who want convenience and automation.

• Built-in solenoid for timer-based on/off

• Saves gas and improves safety

• Perfect for daily CO₂ cycles in planted tanks

🌿 Without Solenoid (Manual Control)
Great for simple or budget CO₂ setups.

• Manual on/off operation

• Stable and smooth pressure output

• Suitable for smaller or low-tech tanks

Why Both Models Are Reliable:

• Compact, stylish design

• Smooth and consistent CO₂ delivery

• Beginner-friendly installation

• Compatible with Chihiros diffusers & bubble counters

A dependable CO₂ regulator for any aquascaper—choose the version that fits your tank’s needs.