Colombo CO2 Profi Pressure Regulator - M10

The Colombo Profi pressure regulator features a double chamber design to ensure consistent CO2 rel...

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www.pond-planet.co.ukColombo Co2 Profi Pressure Regulator M10
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Product Information

Full details

The Colombo CO2 Profi Pressure Regulator is designed for serious aquascapers and planted aquarium hobbyists who require precise carbon dioxide dosing to support vigorous plant growth. Its standout feature is a reliable double-chamber design that prevents pressure spikes, though users should note it is specifically engineered for M10 threaded cylinders, limiting its use with standard refillable canisters without extra equipment.

All features

Model Part NumberA5010217
BrandColombo

Extended Product Information

FAQs

Does this regulator fit standard refillable cylinders?

No, this regulator is specifically designed with an M10 thread for use with Colombo disposable CO2 cylinders.

Do I need a wrench to install this?

No, the unit is designed for tool-free installation by hand.

Why is the double-chamber design important?

The double-chamber design maintains a consistent output pressure even as the gas level in the bottle drops, preventing fluctuations.

Can I use this with any brand of CO2 bottle?

It is intended for use with Colombo 800g and 1200g disposable bottles; other brands must have an M10 thread to be compatible.

How do I adjust the bubble rate?

Use the integrated fine control valve to slowly increase or decrease the flow of CO2.

Troubleshooting

CO2 gas is leaking from the connection point

Ensure the regulator is tightened fully onto the bottle and check that the internal O-ring is not pinched or damaged.

No bubbles appearing in the bubble counter

Verify that the fine control valve is open and that the cylinder is not empty.

Bubble rate fluctuates significantly

Check the seal between the regulator and the bottle to ensure no minor leaks are causing pressure drops.

Pros and Cons

Pros

  • Stable gas output due to double-chamber design
  • Easy to install without extra tools
  • Precise flow control for small to large tanks
  • Direct compatibility with branded disposable cylinders

Cons

  • Limited to M10 thread standards
  • Not natively compatible with large refillable fire extinguisher-style cylinders
  • Requires specific Colombo brand disposable bottles for direct fit

Setup, Compatibility & Care

To install, ensure the cylinder is upright and firmly tighten the regulator onto the M10 thread of your Colombo disposable bottle. Always ensure the fine control valve is closed before attaching to prevent a sudden release of gas. Compatibility is strictly limited to M10 threaded disposable CO2 cylinders. For care, wipe the unit with a clean, dry cloth periodically to remove salt creep or dust. Do not use chemical cleaners on the internal threads, as this may damage the O-ring seal.

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