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Complete CO2 system - CO2 fertilization to the aquarium View larger
Complete CO2 system - CO2 fertilization to the aquarium

CO2 system build

Complete CO2 set with all the necessities for carefree CO2 to add to an aquarium. CO2 is the main source of nutrition for aquarium plants, so adding CO2 to the aquarium is a logical step.


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€ 0,00

available immediately


Customer ratings and reviews

51 rating(s) - 51 review(s)
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Must-have accessoires

CO2 fles

CO2 regulator (included)

CO2 solenoid (included)

CO2 tube connection set (included)

    Economical complete CO2 system

    CO2 system for an aquarium with beautiful plant growth is desired. CO2 fertilization is almost indispensable. CO2 is the most important food source for aquarium plants. Plants grow much better when CO2 is administered to the aquarium. This complete CO2 set is specially assembled with top-quality products. Easy to use, and a sustainable step towards better plant growth!

    With the optional CO2 diffuser bowl 30 is this CO2 set is suitable for an aquarium up to approx. 200 litres. Do you have a larger aquarium? Then the inline CO2 atomizer is a better choice, or choose a different diffuser on the CO2 diffuser page. Or set it yourself to your liking: CO2 set build


    Complete CO2 set with all the necessities for CO2 to add to an aquarium. Adding CO2 without the fuss and simple for anyone to connect.

    Complete CO2 Set build

    Basic parts:
    - CO2 pressure regulator
    - CO2 hose set
    - CO2 bottle (500 grams, 2kg, 6kg or 10kg)
    - CO2 solenoid valve

    Choose optional from a CO2 diffuser and bubble counter
    - CO2 diffuser Bowl 30 (tip)
    - CO2 bubble counter Spiral (tip)

    With description the Co2 system is easy to connect (see also downloads)


    The CO2 pressure reducer with manometer and fine-tuning

    The CO2 regulator has 2 gauges. On one can the cylinder pressure be read to see how full the bottle still is, on the other gauge can the pressure be read. With the needle/doseerventiel this is very accurate and a precise amount of CO2 to the aquarium to be dosed. Also, the pressure regulator is protected against over-pressure. The CO2 pressure regulator fits almost all refillable CO2 bottles with external screw thread and has a so-called DIN 477 thread (European standard).

    CO2 Solenoid valve / Nachtafsluiting

    The CO2 solenoid valve is the system on a timer to close. For example, the CO2 system at night are turned off. Also, the CO2 solenoid valve to a PH controller can be connected for use along with a PH controlled CO2 system.

    CO2 bottle

    The supplied CO2 bottle is full and again refilled. With carrying handle and a safety net. The 2kg CO2 bottle is in an upright position.

    CO2 bottle Dimensions (H X⌀)
    Aquarium content Consumption 60 L aquarium*
    Consumption 300 L aquarium*
    0.5 kg ca. 45 x 5 cm < 60 L ~ 10 months ~ 2-3 month
    2 kg ca. 49x 12 cm > 60 L ~ 40 months ~ 8-12 month

    * Estimated consumption is strongly dependent on several factors. The actual consumption can vary greatly.

    CO2 hoses and backwash valve

    For the connection between the pressure regulator and the solenoid valve is high quality black pressure hose (max. 20 bar) included. For the connection of the solenoid valve to the ADA CO2 check valve and CO2 diffuser, flexible, transparent CO2 tubing (max. 2 bar) included. The high-quality ADA non-return valve prevents water to the solenoid valve and pressure regulator can transfer.

    CO2 Diffuser

    The default is the CO2 diffuser Bowl 30 included. The Bowl 30 is suitable for an aquarium of 80-180 Liters. The aquarium Is larger or do you prefer another solution? Then choose a separate CO2 diffuser: CO2 diffusors.

    CO2 bubble counter

    The CO2 bubble counter is a handy product to see how much CO2 there is now the aquarium is added. It helps in adjusting the dosage. This can be in combination with the measurement of the pH or watching the color of the CO2 checker (optional). Supplied with the CO2 bubble counter Spiral. This may be a greater number of bubbles per second easier be counted. How much call there is for the aquarium exactly necessary, depending on various factors such as water volume, lighting, waterparameters, amount of plants etc. 1 bubble per second per 50 Gallons of water volume is a reasonable starting point, but it will as said depend heavily on the situation.

    It can also be even cheaper?

    Yes, select the desired parts or parts away using the handy configurator:

    Compleet CO2 systeem tot 50 liter Compleet CO2 systeem voor aquarium vanaf 50 liter
    Nano set to 50 litres compiling Large aquarium from 50 litres to compile

    CO2 bottle is empty? Look here for the possibilities for the bottle to be filled: (link)

    Read here: all about adding CO2 in the aquarium

    Article number: multiple options
    Manufacturer: Azaqua
    Type: Complete CO2 system
    Content: 500 grams or 2 kg
    Accessories: CO2 bottle, CO2 pressure regulator, CO2 solenoid valve, 2m flexible CO2 hose, 1m CO2 pressure hose, CO2 check valve


By on  16 Sept. 2020 (CO2 system build) :

product was goed afgeleverd en zoals beschreven

alles was compleet en goed afgeleverd

By on  30 July 2020 (CO2 system build) :

Beste tank

Mooie tank en geheel , prima drukregelaar om te regelen.
1 onderdeel kwam kapot aan en was gelijk vervangen kosteloos, en goud qua service zoals het hoort. Geen gezeur gewoon oplossen

By on  17 July 2020 (CO2 system build) :

CO2 systeem samenstellen

Geweldig alles in één pakket