Chihiros CO₂ Regulator Pro

Professional-Grade CO₂ Control for Planted Aquariums

The Chihiros CO₂ Regulator Pro is engineered for aquascaping enthusiasts who demand precision, reliability, and advanced control. Designed to support healthy plant growth in freshwater aquariums, this high-performance regulator offers industry-leading features in a compact and modern design.

Key Features

• Dual Pressure Gauges
  Monitor both cylinder pressure and working pressure in real time, ensuring accurate delivery and safety at a glance.

• Built-in Safety Relief Valve
  Automatically vents excess pressure above 100 PSI to prevent over-pressurization, protecting both the equipment and aquarium.

• Integrated 12V DC Solenoid Valve
  Low-power, quiet solenoid enables safe and energy-efficient CO₂ flow control. Ideal for integration with timers or smart controllers.

• Built-in Bubble Counter with Check Valve
  Allows for easy visual flow monitoring while preventing water backflow into the regulator for added safety.

• Smart Automation Compatibility
  Works seamlessly with the “My Chihiros” Bluetooth controller (sold separately), enabling app-based scheduling of CO₂ injection for optimal plant care.

• Universal Thread Options
  Available in both CGA320 and W21.8 × 1/14" thread types, making it compatible with most CO₂ cylinders used globally.

Why Choose the Chihiros CO₂ Regulator Pro?

This regulator is ideal for hobbyists and professionals seeking a dependable and precise CO₂ delivery system. With advanced safety features and smart control options, it takes the guesswork out of CO₂ management—helping you create and maintain a lush, balanced aquascape.

Technical Specifications

• Pressure Relief Threshold: 100 PSI (approx. 6.89 bar)

• Solenoid Valve: 12V DC, integrated

• Thread Compatibility: CGA320 and W21.8 × 1/14"

• Bubble Counter: Included, with check valve

• Automation: App-controllable via separate Bluetooth controller

• Display: Dual analog gauges

Also Available: Limited Edition Variant

A special edition of the Regulator Pro is available with enhanced aesthetics—featuring color-matched pressure gauges and decorative screws—while retaining all core functionality.

Ideal For:

• Mid- to high-tech planted aquariums

• Users integrating CO₂ systems with smart timers or controllers

• Aquarists who prioritize safety, accuracy, and clean design