Dennerle CO2 Long-Term Test Correct
For the continuous and accurate control of CO2 in our aquarium. The coloration of the specific CO2 index varies depending on the CO2 content.
Blue: It does not have enough CO2
Green: Ideal CO2
Yellow: Excess CO2
It provides a completely simple and reliable means of setting the right level of CO2 supply. Conventional long-term CO2 tests are filled with a mixture of aquarium water and indicator. This has several disadvantages, one of which is that acids present in all aquarium water (eg humic acids, nitrates, etc.) can lead to erroneous test results. The DENNERLE CO2 Correct long-term test uses a ready-to-use specific CO2 indicator, which is used alone and not in combination with aquarium water.
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