Colombo CO2 Basic Refill Cylinder - 12G
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Product Information
Full details
The Colombo CO2 Basic Refill Cylinder is a 12g replacement bottle designed for aquascapers and planted tank enthusiasts who require a steady, consistent CO2 supply for their aquatic vegetation. It serves as a seamless replacement for the Colombo CO2 Basic Set, offering an efficient way to support plant health and water stability. While it is perfect for small-to-medium systems, users should note that the 12g capacity is best suited for nano-setups and may require frequent changes if used on larger, heavily planted tanks.
All features
| Brand | Maidenhead Aquatics |
|---|
Extended Product Information
FAQs
How long will one 12g cylinder last?
Longevity depends on the bubble rate you choose; for a small nano tank, it can last several weeks with moderate usage.
Can I use this with other CO2 kits?
No, this cylinder is specifically engineered for the Colombo CO2 Basic Set and may not fit standard threaded regulators.
Is it safe to leave the cylinder running 24/7?
It is generally recommended to turn off the CO2 injection at night when plants are not photosynthesizing to avoid pH swings.
Does the cold temperature of the bottle indicate a problem?
No, it is normal for the cylinder to feel cold to the touch during use as the liquid CO2 expands into a gas.
How do I know when the cylinder is empty?
You will notice a significant decrease or total cessation of bubble output in your CO2 diffuser, or the tank pressure gauge will drop to zero.
Troubleshooting
CO2 is not flowing after installation
Verify that the bottle is fully tightened to trigger the pin-valve and ensure the regulator valve is turned to the open position.
Bubbles are not appearing in the diffuser
Check all tubing connections for kinks or leaks and ensure there is no water back-flow entering the lines.
The cylinder emptied faster than expected
Reduce the bubble rate on your regulator and check for leaks at the connection point using a soapy water test.
Pros and Cons
Pros
- Simple and fast installation process
- Compact size hides easily in aquarium cabinetry
- Essential for promoting lush, healthy plant growth
- Reliable, consistent quality from Maidenhead Aquatics
- Perfect for nano and small planted tank setups
Cons
- 12g capacity requires frequent replacement for larger tanks
- Not compatible with standard large-scale CO2 regulators
- Limited to use with the Colombo CO2 Basic system
Setup, Compatibility & Care
To install the cylinder, ensure your CO2 regulator valve is fully closed before screwing the new bottle into the designated mount of the Colombo CO2 Basic Set. Tighten firmly to ensure a gas-tight seal.
Compatibility
This product is specifically designed for the Colombo CO2 Basic Set. It is not intended for use with high-pressure systems or other brands of CO2 diffusers.
Care Instructions
- Store cylinders in a cool, dry place away from direct sunlight.
- Never attempt to refill or modify these pressurized containers.
- Regularly check the O-ring on your regulator for wear and tear to prevent gas leaks.
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