Dennerle CO2 Correct acrylic drop checker
Special CO2 indicator for particularly simple and accurate CO2 control
Conventional long-term CO2 tests are filled with a mixture of aquarium water and indicator. This involves various disadvantages, one being that the acids which are present in all aquarium waters (e.g. humic acids, nitrate, etc.) can lead to incorrect test results. The DENNERLE CO2 long-term test Correct employs a ready-to-use special CO2 indicator which is used on its own, rather than in a mixture with aquarium water.
Keeping tabs on CO2 content at all times
The colouring of the special CO2 indicator varies according to the CO2 content from
- blue = not enough CO2 to
- green = CO2 content ideal and
- yellow = too much CO2.
The level of CO2 in the aquarium can be read directly from the six-colour scale in milligrams per litre. This provides an absolutely simple and reliable means of setting the correct CO2supply level.
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