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JBL ProAquaTest CO2 Direct

JBL ProAquaTest CO2 Direct

  • CO2 is the main nutrient for the aquatic plants
  • Easy test to perform
  • Determines the exact CO2 content
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Quick test immediately determines the CO2 content of the water.


  • CO2 (carbon dioxide) is the main nutrient for the aquatic plants. Contains 2 reagents with colour comparison field.
  • Easy test to perform, where the droplet number is counted until the colour stays stable.
  • Determines the exact CO2 content, even if the pH value is reduced by adding acid.

Product safety

Safety information in accordance with GHS


Signal word: Danger

  • H225 Highly flammable liquid and vapour.
  • H314 Causes severe skin burns and eye damage.



JBL is a German company with a long tradition and a vast product range for aquarium enthusiasts. From high-quality fish and shrimp food over external filters to aquatic plant fertilisers - JBL offers an enormous choice for every aquarium keeper.

The research and development department of JBL constantly brings new innovative products onto the market. No matter whether you are an aquascaper, fish keeper, shrimp keeper or planted tank enthusiast, JBL offers suitable tools and accessories for all of these aspects of the hobby in order to support aquarium enthusiasts with the set-up and maintenance of their tanks.

General information

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Customer reviews

This item has been rated 3.3 out of 5 stars
3 Reviews
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5 Stars(1)
4 Stars(1)
3 Stars(0)
2 Stars(0)
1 Star(1)
Pedro R.
Difícil leitura
9th June 2021
JBL - CO2 Direct Test - Refill Kit
JBL - CO2 Direct Test - Refill Kit

Produto conforme descrito. No entanto, a leitura do teste é um pouco difícil pois não sabemos quando parar. Logo é um pouco ambíguo.

Tobias S.
Co2 test
19th September 2014
JBL - CO2 Direct Test Kit
JBL - CO2 Direct Test Kit

Der test hat mich nicht überzeugt. Er misst den Säuregehalt im Wasser und nicht nur das Co2. Wer also mit noch anderen ph wert senken Mitteln arbeitet (soil, eichextrakt,... (read more)

tiago m.
Very Good test!
9th December 2014
JBL - CO2 Direct Test Kit
JBL - CO2 Direct Test Kit

First time that used and saw a Co2 direct test.

Very interesting and accurate.

As others JBL tests, colors and measure system is simple and effective!

Very Good test!