Dennerle Carbo Test Indicator 15ml Clear Algae Harness the science of clear

Harness the science of clear water

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This accommodating fern will grow in fairly dry ground as well as damper areas where it can spread in a dense carpet over the water surface

Dennerle Carbo Test Indicator 15ml Clear Algae Harness the science of clearDennerle Carbo Test Indicator 15ml Dennerle Carbo Test Indicator is a precision indicator for CO2 long term testing. Suitable for any long term CO2 test. Includes colour matching scale for addition pH measurement. How Dennerle Carbo Test Indicator works: The CO2 diffuses out of the aquarium water into the test container and dissolves in the indicator liquid. Depending on the CO2 content, the Dennerle Carbo Test Indicator reacts with a color change.