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AQUARIO Neo CO2 Diffusor Curved Original

AQUARIO Neo CO2 Diffusor Curved Original

  • Very small CO2 Diffusor
  • Produces fine CO2 mist
  • Special ceramic membrane for CO2
  • Made out of acryl glass
  • Easy to hang over the edge of the tank
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The AQUARIO NEO CO2 Diffusor Curved Orignial is an acrylic CO2 Diffusor with very particular features. The special ceramic membrane produces a fine mist and the CO2 gets dissolved very quickly. Like the other Neo U-Type diffusors by Aquario, the Curved-Type Original is equipped with a long acrylic body, which can function as integrated bubble counter when it is filled with water completely. This way, no external bubble counter is needed.

Moreover, this diffusor has curved tube ends which make it easy to hang the diffuser over the edge of the tank so that unattractive hoses do not disturb the eye anymore.


Before use, immerse the diffuser in water for 10 minutes so that all the air in the diffuser is displaced. If there is still air in the diffuser, larger bubbles may form at the bottom of the diffuser ceramic.


AQUARIO Neo CO2 Diffusor Curved Original - Mini
Height 85 mm
Width 24 mm
Membrane diameter 12 mm
Fits hose 4/6 mm
Width of the clip 9 mm
Fits aquarium 20 bis 30 l nano aquarium, Dennerle Scaper's Tank 35 l oder Nano Cube, ADA Mini M
AQUARIO Neo CO2 Diffusor Curved Original - Medium
Height 85 mm
Width 28 mm
Membrane diameter 16 mm
Fits hose 4/6 mm
Width of the clip 9 mm
Fits aquarium 54 l standard aquarium (60x30x30 cm), Dennerle Scaper's Tank 50 l oder ADA 60-P
AQUARIO Neo CO2 Diffusor Curved Original - Large
Height 105 mm
Width 35 mm
Membrane diameter 23 mm
Fits hose 4/6 mm
Width of the clip 12 mm
Fits aquarium 112 l standard aquarium (80x35x40 cm)


When algae start forming on your acrylic diffusor or the emerging bubbles become larger and larger it is time for a thorough cleaning. Cleaning is easy, but should be done diligently. After the cleaning process, your CO2 diffusor will be as good as new.

  • You'll need a household bleach containing chlorine without perfumes. When working with chlorine bleach, please make sure you absolutely observe the manufacturer's safety notes.
  • Pour some of the bleach into a container and mix with an equal amount of water. Mix so much of this solution that the diffusor you wish to clean is entirely covered
  • Soak the acrylic CO2 diffusor in the solution for 1 to 4 hours (depending on the severity of the stains)
  • Take it out and rinse thoroughly
  • Now all the stains ought to be gone, and your diffusor should shine as if new

You'll find an extensive how-to (in German) with pictures in our Aquascaping Wiki under Glaswaren reinigen.



The manufacturer AQUARIO is specialised in the field of high-quality acrylic CO2 diffusors, highly efficient biological CO2 systems as well as substrates and filter materials for aquaristics. Founded in 2010, the Korean company follows the guiding principle that every private person should be able to produce a close-to-nature aquascape with the help of their products. Therefore, Aquario offers very chic and discreet aquarium accessories that do not interfere with the aquarium layout. Moreover, they keep optimising their product range with brand new innovations. Since 2019, Aquario has been exporting their precious goods abroad.

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