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CO2 long-term test Correct + pH

Measuring device for permanently measuring the CO2 content
  • Exact control of the CO2 content
  • With color comparison chart for determining the CO2 content
  • Made from high quality plastic
  • Functions also in case of lower carbonate hardnesses
  • The result is not influenced by other acids

Measuring device for permanent CO2 measurement

For long-term control of the CO2 content in the aquarium, including pH test. Ready-to-use CO2 special indicator, which is not mixed with aquarium water, but used pure – for highest measuring accuracy.


Product information

Product name CO2 long-term test Correct + pH
Article number 3040
Water Type Freshwater

Delivery scope



Types of aquaria

Beginner Guide – Part 1

Beginner Guide – Part 2

Beginner Guide – Part 3

Expansion stages for a compressed gas system

What do I need carbon dioxide for?

Overview of aquarium energy consumption