£138.99
System Customisation
Key Facts
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Regulator featuring adjustable output pressure, precision needle valve, dual pressure gauges and 12v DC solenoid (mains transformer included) for timed control of CO2 dosing.
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Optional 0.95L Disposable CO2 cylinder (lasts 5-6 months for 150L aquarium).
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Precision regulator bubble counter.
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High performance CO2 diffuser.
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Easy CO2 adapter (optional).
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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.
Description
The Pro Aquarium CO2 System with Adjustable Output Pressure combines high performance and quality at an affordable price, with each component serving an essential function for a highly effective CO2 system.
The CO2 Regulator features adjustable output pressure to ensure it can meet the needs of any aquarium, whether big or small. The high-quality 12v DC solenoid (mains transformer included) enables dosing to be controlled so that CO2 can be dosed at times and intervals that you choose. The 12v DC solenoid provides safe, low temperature, and guaranteed no noise operation. The precision needle valve and bubble counter provide the ability to easily achieve your required CO2 dose.
To ensure the best levels of CO2 diffusion are achieved an 'atomizer diffuser' is provided. Because the bubbles that they produces are incredibly small ('atom-sized'). Because the bubble are so small, they are diffused into the aquarium water more effectively than larger bubbles produced by other diffusers, and therefore provide incredibly high levels of diffusion. This means very little CO2 is wasted, which saves money in the long-term.
A drop checker is included with the CO2 system, which is used to easily set the correct CO2 dose for your aquarium. Without a drop checker you would essentially just be guessing at how much CO2 to dose; a drop checker changes colour to reflect whether you are dosing too much, too little or the right amount.
You can easily automate the dosing of CO2 by plugging the solenoid into a regular timer plug and set it in coordination with your aquarium lights, so you only dose CO2 when the plants are photosynthesising. Using the supplied drop checker you can ensure you are dosing the correct amount of CO2 and that the CO2 levels remain constant to provide the most stable growing conditions for the plants, while at the same time also help to reduce algae growth.
The (optional) 'Easy CO2 Adapter' gives you the ability to source the required CO2 cylinder from a variety of convenient locations, and even high-street shops. Ensuring the required gas for your CO2 system is easily and readily available. Simply choose which adapter you would like; SodaStream, disposable, or Paintball cylinders.
The CO2 system also comes with all other items required, including 3m of Polyurethane tubing, suction clips and bubble counter.
The CO2 Regulator features adjustable output pressure to ensure it can meet the needs of any aquarium, whether big or small. The high-quality 12v DC solenoid (mains transformer included) enables dosing to be controlled so that CO2 can be dosed at times and intervals that you choose. The 12v DC solenoid provides safe, low temperature, and guaranteed no noise operation. The precision needle valve and bubble counter provide the ability to easily achieve your required CO2 dose.
To ensure the best levels of CO2 diffusion are achieved an 'atomizer diffuser' is provided. Because the bubbles that they produces are incredibly small ('atom-sized'). Because the bubble are so small, they are diffused into the aquarium water more effectively than larger bubbles produced by other diffusers, and therefore provide incredibly high levels of diffusion. This means very little CO2 is wasted, which saves money in the long-term.
A drop checker is included with the CO2 system, which is used to easily set the correct CO2 dose for your aquarium. Without a drop checker you would essentially just be guessing at how much CO2 to dose; a drop checker changes colour to reflect whether you are dosing too much, too little or the right amount.
You can easily automate the dosing of CO2 by plugging the solenoid into a regular timer plug and set it in coordination with your aquarium lights, so you only dose CO2 when the plants are photosynthesising. Using the supplied drop checker you can ensure you are dosing the correct amount of CO2 and that the CO2 levels remain constant to provide the most stable growing conditions for the plants, while at the same time also help to reduce algae growth.
The (optional) 'Easy CO2 Adapter' gives you the ability to source the required CO2 cylinder from a variety of convenient locations, and even high-street shops. Ensuring the required gas for your CO2 system is easily and readily available. Simply choose which adapter you would like; SodaStream, disposable, or Paintball cylinders.
The CO2 system also comes with all other items required, including 3m of Polyurethane tubing, suction clips and bubble counter.
Customer Reviews
Average Rating
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Mordechai P.
16th Sep 2026Fast delivery, works great and helpful service too. Fast delivery, works great and helpful service too. -
Karrena E.
15th Sep 2026Great CO2 system with quality parts. 5 stars! Great CO2 system with quality parts. 5 stars! -
John P.
14th Sep 2026Great kit for the price, no complaints and very pleased with it Great kit for the price, no complaints and very pleased with it -
Michael D.
13th Sep 2026Great product and service, couldnt have asked for more Great product and service, couldnt have asked for more -
Michael B.
12th Sep 2026Everything needed was included, and the instructions made setup straightforward. It’s been running smoothly for a few weeks and no issues. Everything needed was included, and the instructions made setup straightforward. It’s been running smoothly for a few weeks and no issues. -
Colin B.
10th Sep 2026★★★★★ Easy to set up with clear instructions, and the parts feel solid. My plants are already looking healthier and growing well. Very pleased! ★★★★★ Easy to set up with clear instructions, and the parts feel solid. My plants are already looking healthier and growing well. Very pleased! -
Radoslaw B.
27th Aug 2026Great CO2 setup that’s got everything you need. Also, the customer support was friendly and helpful when I had a couple of questions. 5/5 overall. Great CO2 setup that’s got everything you need. Also, the customer support was friendly and helpful when I had a couple of questions. 5/5 overall. -
Nathan C.
14th Aug 2026Everything arrived quickly and in perfect condition and included everything I needed - even a spanner for the regualtor! Everything arrived quickly and in perfect condition and included everything I needed - even a spanner for the regualtor! -
Allan G.
12th Aug 2026Great company, happy to recommened! Great company, happy to recommened! -
Konrad B.
11th Aug 2026Great quality system. Very happy with it. Great quality system. Very happy with it.
