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  • €5.00 - €120.00

CO2 Diffusers

The small bubbles that a CO2 diffuser produces, have a large contact area. The CO2 diffusor ensures that the added CO2 in the optimal water to dissolve, and in the aquarium spreads. In an aquarium with CO2 fertilization to grow aquarium plants many times better!

There are 33 products.

Showing 1-24 of 33 item(s)

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  • Azaqua CO2 Diffuser cup HQ
    Diameter: 15mm 20mm 30mm 40 50mm
    €24.90
    from €21.90

    With this CO2 diffuser, we have finally succeeded in delivering impressive quality at an affordable price. Fine bubbles are produced and evenly distributed across the membrane.

    Select the desired type for the size of your aquarium.

  • Azaqua CO2 diffuser BOWL
    type: BOWL 30 BOWL 15
    €15.90

    The CO2 diffuser Bowl is elegant in form and dissolves CO2 into the aquarium water. The compact CO2 diffuser produces bubbles which CO2 is absorbed. Position the CO2 diffuser in the flow, so that the CO2 directly into the aquarium plants is provided.

    Available in 2 versions

  • Azaqua CO2 Atomizer Ultra
    • New
    Azaqua CO2 Atomizer Ultra
    Type: Small Large
    €15.90
    Azaqua CO2 Atomizer Ultra dissolves CO2 in an extremely efficient way. The CO2 atomizer is small in size and easy to use.

    Available in Small or Large.
  • CO2 Diffusor for mini-cup (HQ)
    Diameter: 10mm 15mm
    €24.90

    As a solution to adding CO2 to a tank is this small, the CO2 will discharge very very expensive. The fine bubbles will be produced and distributed evenly on the membrane.

  • Twinstar CO2 diffuser
    Type: Small Medium Large
    €8.99
    Twinstar CO2 diffuser is made of acrylic with a porous ceramic membrane on top. This membrane ensures that the bubbles that form are really very small. CO2 is thus maximally dissolved in the aquarium water.
  • Aqaurio Neo CO2 diffuser extended
    Type: Small Medium Large
    €19.90
    Aqaurio Neo CO2 diffuser extended is made of a special type of plastic with an extra long tube that can be bent to the desired height. As a result, it can be perfectly fitted at a height that suits the aquarium. With other CO2 diffusers, the CO2 hose is often placed in the aquarium. That does not happen with this extended CO2 diffuser, because the connection to the hose is outside the aquarium.

    Available in size: S, M and L
    Length: 390mm
  • Aqaurio Neo CO2 diffuser Tiny
    Type: Normal Extended
    €13.90
    Aqaurio Neo CO2 diffuser Tiny is the smallest CO2 diffuser we have available. Made of a special type of plastic with a small earthenware effervescent part. The extended version has an extra long tube that can be bent to the desired height. This makes it possible to adjust it perfectly at a height that suits the aquarium.

    Available in: Standard or Extended
  • ADA Pollen Glass
    €69.90

    ADA Pollen Glass is the basic model CO2 diffusor for a 60cm aquarium. He distributes the CO2 into very fine bubbles which are efficient in the aquarium water are included. This model is simple of design and bothers the face of your aquascape.

  • ADA Pollen Glass TYPE-2
    €69.90

    With the ADA Pollen Glass TYPE-2 you have the perfect CO2 diffuser for your aquarium available. This CO2 diffuser is of excellent quality and produces uniform, tiny CO2 bubbles that is easy for the water to be included.

  • ADA Pollen Glass TYPE-3
    €69.90

    With the ADA Pollen Glass TYPE-3 is the perfect CO2 diffuser for your aquarium available. This CO2 diffuser is of excellent quality and produces uniform, tiny CO2 bubbles that is easy for the water to be included.

  • ADA Pollen Glass Mini
    €109.90

    Pollen Glass Mini is designed for small aquariums with less than 5 mm thickness and without the use of suction cups on the border will be hung. The beautiful and the ideal solution to CO2 to add in a small aquarium!

  • ADA Pollen Glass Large
    Diameter: 20 mm 30mm 30mm (air)
    €119.90

    The ADA Pollen Glass Large features a larger verspreidingsoppervlak. With a wider diameter, the CO2 is very effective spreads. He can against the side window of the aquarium is to be placed.

    Choice of 20mm and 30mm
    Also available for adding oxygen (air)

  • ADA Pollen Glass Beetle
    Diameter: 30mm 40 50mm
    €109.90

    The ADA Pollen Glass Beetle has a large verspreidingsoppervlak. This is the CO2 effectively diffuses and can easily in the aquarium water are included. The Beetle can be in the corner against the window of the aquarium.

    Select the desired size.

  • Azaqua CO2 diffusor POT
    type: POT 20 POT 30
    €9.90

    The CO2 diffusor POT is robust with a large bruis surface. The CO2 diffuser produces bubbles that readily dissolve in the aquarium water. CO2 is absorbed and immediately available to the aquarium plants.

    Select the desired size:

  • Azaqua CO2 diffuser CUP
    type: CUP 15 CUP 20 CUP 30
    €14.90

    The CO2 diffuser CUP is an elegant accessory to the aquarium with CO2 to fertilize. The membrane produces bubbles of CO2 to CO2 to the aquarium to add.

    Available in 3 sizes

  • Azaqua CO2 diffusor COMBI
    €14.90

    The CO2 diffusor COMBI is the ideal combination of a diffuser and bubble counter all in one! By the merging of two accessories in this convenient product can CO2 fertilization to the aquarium.

  • Azaqua CO2 diffuser mini CUP
    type: mini CUP 15 mini CUP 20
    €19.90

    The CO2 diffuser mini CUP is an ornate accessory for the smaller aquarium with CO2 to fertilize. The membrane produces small bubbles of CO2 to responsibly CO2 on a small tank to add!

    Available in 2 versions

  • CO2 diffusor stainless Steel 25
    • -20%
    Azaqua CO2 diffusor stainless Steel 25
    Type: S M L XL
    €31.92 -20% €39.90

    The CO2 diffusor stainless Steel 25 is made of high quality stainless steel and features a ceramic membrane (removable) that CO2 is efficiently dissolved.

    Available in 4 sizes: S, M, L or XL

  • Azaqua CO2 diffusor stainless Steel 15
    Type: S M
    €34.90

    The CO2 diffusor stainless Steel 15 is made of high quality stainless steel and features a ceramic membrane that is CO2 efficient solution.

    Available in 2 sizes: S or M

  • Azaqua CO2 diffusor stainless steel nano
    €34.90

    The CO2 diffusor stainless Steel nano is made of high quality stainless steel and features a ceramic membrane (removable) that CO2 is guaranteed to be efficient to solve.

  • Azaqua Inline CO2 atomizer
    Diameter: 12/16 mm 16/22 mm
    €24.90

    These inline CO2 atomizer ensures that CO2 is maximum is fixed in the aquarium. Not only are the bubbles very small (=large contact surface thanks to the ceramic membrane, but they also come in contact with, as much as possible water. Extremely efficient CO2 dissolve so!

    Available for 12/16 or 16/22 hose

  • CO2Art Inline Diffuser
    Diameter: 12/16 mm 16/22 mm
    €39.99
    The CO2Art Inline Diffuser is an extremely efficient way of dissolving CO2 in the aquarium. The most striking, or not, is that it can be accommodated in the aquarium furniture. This has the advantage that there are no disturbing hoses hanging in the aquarium or a CO2 diffuser that can get algae. In addition, the solubility is very high, because CO2 dissolves directly in the flowing water.

    Available in 2 sizes:
    12/16 for 12/16 hose
    16/22 for 16/22 hose


    hose size
  • Azaqua Inline CO2 diffuser
    Diameter: 13mm 17mm
    €45.90
    from €39.90

    The Azaqua Inline CO2 diffuser may be out of the aquarium to be hung. This CO2 diffuser is connected to the conversion of filter tube, allowing CO2 directly by the flow is carried and dissolved in the water.

    Available in 2 versions:
    13mm or 17mm

  • Aqua Medic CO2 reactor 1000
    €99.90

    CO2 dissolved in a large aquarium with the Aqua Medic CO2 reactor 1000. This CO2 reactor can be in the aquariummeubel be placed and connected between the filter and the outflow. The flow ensures maximum contact time between the water and CO2.