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Subcategories

  • CO2 systems

    A good CO2 system and adding free available CO2 to the aquarium, besides a good fertilization, plays an important role to the growth of the plants in the aquarium. By adding CO2 to the aquarium the pH of the water lowers and makes it acidic, just as most plants and fish love it.

  • 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!

  • CO2 bubble counters

    With the use of a CO2 bubble counter it is very easy to see and adjust the amount of CO2 that is dosed to the aquarium. Adding the right amount is essential for a healthy plant growth in the aquarium. Too much CO2 in the aquarium can be harmful for the fish. Too less is bad for plant growth.

  • CO2 checkers
    Having the right CO2 content is essential in a planted aquarium. Too much CO2 is harmful to fish, too little CO2 inhibits plant growth. The CO2 content in the aquarium can be measured with a CO2 Checker. The liquid in this Drop Checker changes color as the CO2 content changes.
  • CO2 toebehoren

    Adding CO2 to the aquarium can be complicated, but with the right accessories it becomes relatively easy. Also when you need to attach multiple aquariums to one system, you can find everything you need here.

Active filters

  • Brand: Azaqua
  • CO2 hose set
    €9.90

    Hose set to connect the CO2 system.

    inclusive:
    1 m CO2 pressure hose
    2m flexible CO2 hose
    1 ADA check valve
    3x suction cup nano

  • Seal ring for CO2 pressure regulator
    €2.90
    Seal ring for CO2 pressure regulator. White Teflon ring for between the pressure regulator and the CO2 bottle to prevent CO2 from escaping.


    Diameter: 18mm
    Opening: 12mm
  • Carrying handle for refillable CO2 bottle
    €13.90
    Carrying handle for refillable CO2 bottle
  • Sodastream refill adapter
    €29.90

    Fill the Sodastream bottles yourself with CO2 from a larger CO2 bottle with this coupling piece. The economical solution to use CO2 for the Sodastream. With the adapter, the Sodastream cartridges can be filled in no time.

  • CO2 adapter disposable bottle (M10x1.25) to...
    €17.90
    With this adapter, disposable bottles with M10x1.25 thread can be connected to a pressure regulator with W21.8 thread.
  • CO2 adapter pressure regulator (M10x1.25) to...
    €11.90
    With this adapter a pressure regulator for disposable bottles with M10x1.25 thread can be connected to a refillable CO2 bottle.
  • CO2 adapter Soda/Paintball (1/2") to refillable...
    €17.90
    With this adapter, soda bottles with 1/2" thread can be connected to a pressure regulator with W21.8 thread.
  • CO2 adapter Soda Acme inside to 1/4" outside
    €17.90
    With this adapter, Soda bottles with a 1/2" thread can be connected to an external 1/4" thread.
  • CO2 adapter Soda inside to 1/2" outside
    €17.90
    With this adapter, Soda bottles with a 1/2" thread can be connected to an external 1/2" thread.
  • CO2 adapter 1/4" inside duct to 21.8 outside
    €13.90
    With this adapter a connection with a 1/4" thread can be converted to an external W21.8 thread.
  • CO2 adapter ACME inside to 21.8 outside for...
    €17.90
    With this adapter a Soda bottle with ACME thread can be used in combination with a CO2 pressure regulator with W21.8 thread.
    The adapter is equipped with a pin that automatically depresses the safety of the bottle as soon as it is screwed onto the bottle.
  • Azaqua Non-return valve
    €2.25
    Use the Azaqua Check Valve to prevent water from siphoning out of the aquarium. Suitable for standard CO2 hose and air hose with 4/6mm diameter.
  • Azaqua CO2 hose corner connection
    €0.90
    Use this hose coupling to make a CO2 hose or air hose with a 4/6mm diameter at a 90 degree angle. This is very practical, for example, when the CO2 hose enters the light hood from behind the aquarium.
  • Transparent suction cup 7mm...
    • New
    Transparent suction cup 7mm (through)
    €0.50

    Transparent suction cup with 7mm opening for connecting glass products, CO2 hose or accessories, for example.

    Diameter: 25mm
    Opening: 7mm

  • Transparent suction cup...
    • New
    Transparent suction cup normal Mini
    €0.50

    Transparent suction cup for glass products, lily pipes, CO2 checkers, etc.

    Diameter: 30mm
    Opening: 6mm

  • Suction cup transparent...
    • New
    Suction cup transparent normal HQ
    €0.50

    Transparent suction cup for connecting glass Lily pipes, CO2 diffusers, CO2 checkers, etc. This HQ suction cup has a good grip and is easy to pull off thanks to the tab.

    Diameter: 36mm
    Opening: 7mm

  • Suction cup transparent Knob
    • New
    Suction cup transparent Knob
    €0.50

    Transparent suction cup with a lump or mushroom shape. This is used, among other things, to attach filters to the glass.

    Diameter: 26mm
    Knob: 9mm