Chihiros External CO2 Diffuser

The Chihiros External CO₂ Diffuser is designed to deliver superior CO₂ dissolution and distribution directly through your aquarium’s external filter system. Unlike traditional in-tank diffusers, this external model keeps the tank interior clean while providing maximum gas absorption through its high-efficiency ceramic plate. This ensures consistent CO₂ levels, faster plant growth, and a pristine aquascape appearance.

Crafted from durable acrylic, this diffuser is lightweight, transparent, and easy to install. It connects seamlessly to your canister filter outlet tubing and works silently to produce ultra-fine CO₂ bubbles that dissolve efficiently. Perfect for aquascapers seeking both aesthetics and performance, it’s an excellent addition to high-tech planted tanks.

Specifications

Available Variants

How to Install

1. Turn off your filter and disconnect the outflow hose.
2. Insert the Chihiros External CO₂ Diffuser between the hose sections.
3. Secure the connections tightly to prevent leaks.
4. Connect your CO₂ tubing to the diffuser’s inlet.
5. Restart your filter and adjust CO₂ flow as required.

Care & Maintenance Tips

• Clean the ceramic plate regularly with bleach or CO₂ diffuser cleaner.
• Rinse thoroughly before reinstalling.
• Check hose connections periodically to prevent leaks.
• Ensure CO₂ pressure is appropriate for fine bubble output.
• Handle the acrylic body carefully to avoid cracking.