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CO2 products

Adding CO2 to the aquarium will help to better grow aquariumplants. Next to light, plants need sufficient levels of CO2 for photosyntheses. We offer a wide range of CO2 products for adding CO2 to your aquarium. It will help lower the pH levels of the water and is practicly indispensable in a densely planted aquarium.

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: Cal Aqua Labs
  • Brand: EHEIM
  • CAL CO2 Double Counter
    €29.90

    The CAL Aqua Labs Double Counter functions as both a normal and high supply CO2 bubble counter, combined in one elegant design. Easily determine how much CO2 is added to the aquarium.

  • CAL CO2 Double Counter ER
    €35.90

    The CAL Aqua Labs Double Counter ER functions exactly the same as the original Double Counter, but has an external opening for easy refilling.

  • EHEIM pHcontrol+e Set
    €274.95
    EHEIM pHcontrol+e is the smart controller for monitoring and adjusting the pH value in your aquarium. With the EHEIM pHcontrol+e, the pH of the aquarium can be easily monitored and optimized. Easily operated with a smartphone, tablet or PC/MAC via a WiFi connection and a web browser.
  • EHEIM pHcontrol+e
    €159.95

    EHEIM pHcontrol+e is the smart controller for monitoring and adjusting the pH value in your aquarium. With the EHEIM pHcontrol+e, the pH of the aquarium can be easily monitored and optimized. Easily operated with a smartphone, tablet or PC/MAC via a WiFi connection and a web browser.

    Please note: Only the pHcontrol+e and the power supply unit are included in the delivery! (excluding solenoid valve and pH electrode)

  • EHEIM pH sensor
    €59.95
    EHEIM pH sensor as an accessory for the EHEIM pHcontrol+e. Replacement pH electrode with BNC connection and 2 meter cable length.
  • EHEIM CO2 Solenoid valve for powerLED+
    €86.95
    The CO2 supply in the aquarium can be switched off with the solenoid valve – for example to regulate the pH or at night. This solenoid valve has been specially developed for the EHEIM LEDcontrol+ lighting control system and EHEIM pHcontrol+e.
  • EHEIM CO2 Solenoid Valve
    €74.95
    The CO2 supply in the aquarium can be switched off with the solenoid valve – for example to regulate the pH or at night.