£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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Iain M.
14th Jul 2026Everything arrived on time and the system works perfectly and I'm already seeing better growth in my plants. So I'm please to say that I'm very happy with the purchase. Everything arrived on time and the system works perfectly and I'm already seeing better growth in my plants. So I'm please to say that I'm very happy with the purchase. -
Daniel T.
9th Jul 2026Great service and everything arrived as described, I would definitely recommend it to others. Great service and everything arrived as described, I would definitely recommend it to others. -
Jon T.
7th Jul 2026Everything arrived on time and worked exactly as described. Everything arrived on time and worked exactly as described. -
Steven F.
7th Jul 2026Excellent CO2 system that is simple to set up with the clear instructions provided Excellent CO2 system that is simple to set up with the clear instructions provided -
Nathan M.
4th Jul 2026Great kit that has made a huge difference to my plants already after just a few week! Great kit that has made a huge difference to my plants already after just a few week! -
Adam T.
2nd Jul 2026Everything arrived in good condition, and the setup process was easier than I expected. Got the cylinder too so everything came in one go that I need. Great stuff! Everything arrived in good condition, and the setup process was easier than I expected. Got the cylinder too so everything came in one go that I need. Great stuff! -
Wayne C.
2nd Jul 2026Works really well - happy to recommend to other Works really well - happy to recommend to other -
James C.
30th Jun 2026Fast delivery and good support from the team. Fast delivery and good support from the team. -
Elliott S.
29th Jun 2026Great quality system and the customer service has been excellent throughout. Great quality system and the customer service has been excellent throughout. -
Garry K.
22nd Jun 2026The whole system feels well-made. Great service and fast delivery too. The whole system feels well-made. Great service and fast delivery too.
