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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

  • Dennerle CO2 Adapter disposable bottle pressure...
    €23.99

    With this CO2 adapter it is possible to connect a Dennerle CO2 pressure regulator for disposable bottles to refillable CO2 bottles. Use this adapter for the CO2 connection to use the Dennerle Evolution Quantum or Primus pressure regulator in combination with refillable CO2 bottles.

  • Dennerle CO2 Adapter Refillable pressure regulator
    €21.99

    With this CO2 adapter it is possible to connect a pressure regulator for refillable systems to the Dennerle disposable bottles.

  • Dennerle CO2 Adapter for Nano pressure regulator
    Type: Wegwerp Refillable
    €20.79
    from €18.79

    For aquarists who want a larger CO2 supply, Dennerle offers additional adapters, which allow a combination of the Nano pressure regulator with all common, refillable CO2 bottles and Dennerle 500 g CO2 disposable bottles.

    Choose:
    - DE-2997 - Nano pressure regulator on disposable bottle
    - DE-2998 - Nano pressure regulator on refillable bottle

  • Open-end wrench for CO2 pressure regulator
    €5.90

    Handy open-end wrench for tightening or loosening the CO2 pressure regulator on a CO2 bottle. Equipped with a handy bend for more convenience and an eye to hang the wrench in the aquarium furniture.

    length: 175mm
    For nut: 30mm

  • Dennerle CO2 pH Electrode
    €89.99
    Accurate pH electrode from Dennerle for continuous measurement of the pH of aquarium water. The modern gel electrode can easily be connected to all Dennerle pH controllers or other pH measuring devices with a BNC connection.
  • Dennerle pH Electrode Set
    €115.99
    A complete set with all necessities for the pH electrode. A reliable measurement of the aquarium's pH is essential. Ensure optimal measuring results with this set. Easy in use!
  • Dennerle CO2 pH electrode holder
    €12.99
    For the secure attachment of the pH electrode in the aquarium. Made of high-quality plastic with light-resistant screen against algae growth.
  • Dennerle Distilled water (250 ml)
    €8.49
    Distilled water (250 ml). This water is used to rinse the pH electrode during calibration work.
  • Dennerle Calibration liquid pH 4 (50ml)
    €8.49

    Calibration solution for pH electrodes. Every pH meter or pH electrode must be calibrated over time. This ensures that the measurement remains correct and reliable. Because this pH calibration fluid always has a value of pH 4.0, the measuring instrument can be adjusted accordingly.

    Contents: 50 ml

  • Dennerle Calibration liquid pH 7 (50ml)
    €8.49

    Calibration solution for pH electrodes. Every pH meter or pH electrode must be calibrated over time. This ensures that the measurement remains correct and reliable. Because this pH calibration fluid always has a value of pH 7.0, the measuring instrument can be adjusted accordingly.

    Contents: 50 ml

  • Dennerle KCL liquid (50ml)
    €8.49

    A pH electrode or pH meter is a sensitive instrument. To protect it, it should be stored in a KCL solution. This KCL storage fluid significantly extends the life of the pH electrode.

    Contents: 50 ml

  • Borneowild CO2 Glass (JL series)
    • -30%
    CO2 Glass (JL series)
    Size: GJL-01 GJL-02 GJL-03
    €6.93 -30% €9.90
    Connect CO2 hoses in a practical way. The glass tubes are 5mm thick and disrupt the appearance as little as possible. A kink in a CO2 hose causes additional problems when adjusting the correct amount of CO2. With the BorneoWild CO2 glass diffusers and bubble counters can be connected without the risk of the hose kinking.
  • Borneowild CO2 Glass (S series)
    • -30%
    CO2 Glass (S series)
    Size: GS-01
    €6.23 -30% €8.90
    Connect CO2 hoses in a practical way. The glass tubes are 5mm thick and disrupt the appearance as little as possible. A kink in a CO2 hose causes additional problems when adjusting the correct amount of CO2. With the BorneoWild CO2 glass diffusers and bubble counters can be connected without the risk of the hose kinking.
  • Borneowild CO2 Glass (U series)
    • -30%
    CO2 Glass (U series)
    Size: GU-01 GU-02
    €6.23 -30% €8.90
    Connect CO2 hoses in a practical way. The glass tubes are 5mm thick and disrupt the appearance as little as possible. A kink in a CO2 hose causes additional problems when adjusting the correct amount of CO2. With the BorneoWild CO2 glass diffusers and bubble counters can be connected without the risk of the hose kinking.
  • 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
  • CO2 Bottle base
    €14.95

    CO2 bottles can only be used in an upright position. Some CO2 bottles have a round bottom, making this not possible. This HS aqua bottle base for a CO2 bottle makes it possible to place a CO2 bottle upright in a safe manner. The base is adjustable in 2 positions and suitable for bottles of 65 mm or 80 mm.

  • Carrying handle for refillable CO2 bottle
    €13.90
    Carrying handle for refillable CO2 bottle
  • CO2 adapter pressure regulator (M10x1) to...
    €11.90
    With this adapter a pressure regulator for disposable bottles can be connected to a refillable CO2 bottle.
  • CO2 adapter pressure regulator (21.8) to...
    €11.90
    With this adapter a pressure regulator for refillable bottles can be connected to a disposable CO2 bottle with M10x1 connection.
  • CO2Art distribution block for PRO-Elite Series...
    €39.99
    Imagine; You have several aquariums that need to be supplied with CO2, but you do not want to buy an additional CO2 system? The CO2Art manifold offers a reliable, accurate solution. This extension contains everything you need. The distribution block can be screwed onto the CO2Art Pro-Elite Regulator in no time.
  • CO2Art Pro-Series CO2 Adapter – Paintball /...
    Type: Wegwerp Paintball Sodastream
    €22.99
    New Pro Series CO2 Adapter for Paintball, Sodastream or Disposable (M10x1) bottles. This makes it possible to connect a CO2 pressure regulator for refillable bottles (W21.8x14 thread) to a Paintball CO2 bottle, Sodastream bottle or disposable bottle (M10x1).

    Choice of: Paintball, Sodastream or Disposable
  • CO2Art CO2 Resistant Tubing
    Color: Green Black clear-blue clear-transparant Silver
    Length: 3 m
    €5.99

    CO2 resistant hose of 4/6mm. First-class quality CO2 hose for use in and around the aquarium. Use this CO2 hose to connect CO2 accessories and complete sets!

    Choose the desired color

  • CO2Art Precision CO2 Check Valve
    €9.99
    CO2 High pressure check valve >100psi resistance. With the incredibly low opening pressure of 1 psi (0.0068 Bar)! This check valve has simple push-in connections for easy installation in combination with CO2 pressure hose. Compatible with any CO2Art CO2 Resistant Tubing.