£117.99
System Customisation
Key Facts
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Important: We cannot send CO2 cartridges outside the UK. If you are outside the UK please ensure you select 'No CO2 Cartridges'.
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Within the UK, compressed gas requires specialist couriers for transportation and therefore same day dispatch cannot be guaranteed.
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Nano CO2 regulator featuring adjustable output pressure, precision needle valve, output pressure gauge and 12v DC solenoid (mains transformer included) for timed control of CO2 dosing.
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Precision bubble counter.
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High performance CO2 diffuser.
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Drop checker kit for correct CO2 dosing.
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3m High grade polyurethane tubing.
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4 x Suction clips for tidy tubing.
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A CO2 cartridge will last roughly 3 months for 50L aquarium (1 bubble every 4 seconds 8 hours per day).
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Height: 26cm Bottom of base to top of regulator (including cartridge).
Description
Nano aquariums have increased in popularity over recent years, but the requirement to add CO2 to promote vigorous plant growth still remains because No CO2 = No Photosynthesis = Dead Plants. Because these aquariums are small, it is often the case that they're not provided with a stand or cupboard, and therefore large/bulky CO2 equipment is difficult to conceal which makes a normal CO2 system unsuitable. Our Nano CO2 System overcomes this problem by using the smallest, but highest quality equipment available, and includes everything needed to create a highly effective CO2 system for your aquarium.
The regulator features adjustable output pressure, which is a rare feature for equipment of this size. It also features a high precision needle valve which can produce accurate dosing control as low as 1 bubble every 10 seconds, which can cater for aquariums as small as 20L. To keep the size to a minimum the regulator is designed to attach directly to small CO2 cartridges, which even for a 100L aquarium will last for up to 3 months, making it a very convenient and cost-effective solution. The regulator also features an integrated 12v DC solenoid valve (mains transformer included) to enable the CO2 be controlled and only dose at specified times, i.e. while the aquarium lights are on. The 12v DC solenoid provides safe, low temperature, and guaranteed no noise operation.
The diffuser is a top of the range 'atomizer' diffuser, which produces a haze of incredibly small bubbles of CO2, providing the very highest levels of diffusion. This ensures very little CO2 is wasted and saves money in the long term.
A nano-sized drop checker is also included to ensure you find the correct CO2 dosing for your specific aquarium needs.
Our Nano CO2 System also comes with all other equipment, including bubble counter, 3m Polyurethane tubing, suction clips, and a support stand for the CO2 cartridge / regulator. In this case, small really is beautiful.
The regulator features adjustable output pressure, which is a rare feature for equipment of this size. It also features a high precision needle valve which can produce accurate dosing control as low as 1 bubble every 10 seconds, which can cater for aquariums as small as 20L. To keep the size to a minimum the regulator is designed to attach directly to small CO2 cartridges, which even for a 100L aquarium will last for up to 3 months, making it a very convenient and cost-effective solution. The regulator also features an integrated 12v DC solenoid valve (mains transformer included) to enable the CO2 be controlled and only dose at specified times, i.e. while the aquarium lights are on. The 12v DC solenoid provides safe, low temperature, and guaranteed no noise operation.
The diffuser is a top of the range 'atomizer' diffuser, which produces a haze of incredibly small bubbles of CO2, providing the very highest levels of diffusion. This ensures very little CO2 is wasted and saves money in the long term.
A nano-sized drop checker is also included to ensure you find the correct CO2 dosing for your specific aquarium needs.
Our Nano CO2 System also comes with all other equipment, including bubble counter, 3m Polyurethane tubing, suction clips, and a support stand for the CO2 cartridge / regulator. In this case, small really is beautiful.
Customer Reviews
Average Rating
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If Q.
18th Aug 2025This was my first CO2 setup. I used it for a 25L aquarium, 1 bubble every second and this lasted about 5 months. For a starter, this is great, plus you can upgrade the CO2 tank and use the same equipment except you will need an adaptor for the co2 tank. I am still using all of this except the diffuser as I switched to the UP inline Atomizer (from the same site) This was my first CO2 setup. I used it for a 25L aquarium, 1 bubble every second and this lasted about 5 months. For a starter, this is great, plus you can upgrade the CO2 tank and use the same equipment except you will need an adaptor for the co2 tank. I am still using all of this except the diffuser as I switched to the UP inline Atomizer (from the same site) -
David G.
17th Aug 2025Easy to set up with clear instructions, and my plants started pearling within days. The compact size fits nicely beside my 30L tank without cluttering space. Quality components throughout, especially the solenoid which turns off automatically at night. Delivery was quick and everything arrived well-packaged. Easily 5/5 Easy to set up with clear instructions, and my plants started pearling within days. The compact size fits nicely beside my 30L tank without cluttering space. Quality components throughout, especially the solenoid which turns off automatically at night. Delivery was quick and everything arrived well-packaged. Easily 5/5 -
Mark R.
16th Aug 2025The CO2 system has been a great addition to my planted tank, it's made a huge difference! The CO2 system has been a great addition to my planted tank, it's made a huge difference! -
Scott T.
15th Aug 2025The system components are of good quality, and customer service was helpful with a couple of questions I had. Overall Im very happy with it The system components are of good quality, and customer service was helpful with a couple of questions I had. Overall Im very happy with it -
Thomas C.
12th Aug 2025Setup was simple and the plants seem to be doing much better than before. Had a couple of questions and the support team was helpful. Just a minor issue but quickly resolved. Very good deal for the price. Setup was simple and the plants seem to be doing much better than before. Had a couple of questions and the support team was helpful. Just a minor issue but quickly resolved. Very good deal for the price. -
Cormac T.
10th Aug 2025Highly recommend. Highly recommend. -
Mark M.
9th Aug 2025Arrived really quickly and works really well, can already see a big improvement Arrived really quickly and works really well, can already see a big improvement -
Adam C.
6th Aug 2025Good value for a nano CO2 system. Five stars. Good value for a nano CO2 system. Five stars. -
Paul D.
5th Aug 2025Easy to set up and works perfectly Easy to set up and works perfectly -
David S.
3rd Aug 2025Set up was straightforward and I've noticed my plants are growing better within a couple weeks, especially the carpeting ones. The solenoid works quietly, and the build feels durable. Had a quick question about the bubble counter alignment, emailed support, and they replied with a fix in under an hour. Still on my first canister after a month so it lasts longer than I expected Set up was straightforward and I've noticed my plants are growing better within a couple weeks, especially the carpeting ones. The solenoid works quietly, and the build feels durable. Had a quick question about the bubble counter alignment, emailed support, and they replied with a fix in under an hour. Still on my first canister after a month so it lasts longer than I expected
