CO2 Diffuser with Bubble Counter & Check Valve | Aquarium
CO2 Diffuser with Bubble Counter & Check Valve | Aquarium
CO2 Diffuser with Bubble Counter & Integrated Check Valve for Aquarium Fish Tanks
Elevate your planted aquarium with this high-efficiency CO2 External Diffuser, engineered to maximize carbon dioxide dissolution and support lush, thriving aquatic plant growth. Whether you're setting up a freshwater planted tank or a marine aquascape, this all-in-one unit delivers consistent, fine CO2 mist for optimal plant health.
Key Features
- High Molecular PE Ceramic Diffuser Plate: Produces ultra-fine CO2 micro-bubbles that dissolve completely into the water column, ensuring maximum CO2 uptake by your aquatic plants.
- Built-In Bubble Counter: Allows you to visually monitor and precisely control your CO2 injection rate at a glance — no separate counter needed.
- Integrated Check Valve: Prevents backflow of water into your CO2 system, protecting your regulator and CO2 source from damage.
- External Installation: Connects easily to your external filter outlet (12/16mm, 16/22mm, or 19/25mm diameter tubing) for a clean, clutter-free aquarium interior.
- Suction Cup Mounting: Alternatively, mount directly to your aquarium glass using the included strong suction cups for flexible placement.
- Universal Compatibility: Suitable for both freshwater and saltwater aquariums.
- No Batteries or Power Required: Operates passively using your existing CO2 supply system.
Specifications
- Compatible Tube Diameters: 12/16mm, 16/22mm, 19/25mm
- Package Dimensions: 9.8 x 6.46 x 2.32 inches; 7.58 oz
- Power Required: None
- Battery Included: No
- Use: Freshwater & Saltwater Aquariums
- Country of Origin: Made in China
Why CO2 Diffusion Matters for Your Planted Tank
Carbon dioxide is one of the three essential elements — along with light and nutrients — that aquatic plants need to photosynthesize and flourish. A quality CO2 diffuser ensures your plants receive a steady, well-dissolved supply of CO2, leading to vibrant green leaves, faster growth, and a healthier, more balanced ecosystem. Learn more about aquatic plant care and planted tank science at the USDA and EPA WaterSense.
What's in the Box
- 1 × CO2 External Diffuser with Integrated Bubble Counter & Check Valve
- Suction cup mounting accessories
Frequently Asked Questions
Q: What tube sizes is this CO2 diffuser compatible with?
A: This aquarium CO2 diffuser is compatible with 12/16mm, 16/22mm, and 19/25mm diameter water tubes, making it suitable for most standard external filter setups and CO2 systems.
Q: Can I use this CO2 diffuser in a saltwater aquarium?
A: Yes! This CO2 external diffuser is designed for use in both freshwater and saltwater (marine) aquariums, offering flexible compatibility for a wide range of aquatic setups.
Q: Do I need any extra equipment to use this diffuser?
A: You will need an existing CO2 system (CO2 cylinder and regulator) to supply carbon dioxide. The diffuser itself requires no batteries or external power — it connects directly to your external filter outlet or mounts to your aquarium glass via suction cups.
Q: How does the integrated check valve protect my CO2 system?
A: The built-in check valve prevents water from flowing back into your CO2 regulator and cylinder if pressure drops, protecting your equipment from water damage and maintaining a safe, stable CO2 injection system.