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A CO2 incicator plant
Aponogeton undulatus makes a good CO2 indicator plant. If the leaves are brown all day, CO2 levels are good. If they start off brown in the morning, but turn green later in the day, CO2 levels are low. Bacopa carolina works in a similar fashon.
Aponogeton undulatus makes a good CO2 indicator plant. If the leaves are brown all day, CO2 levels are good. If they start off brown in the morning, but turn green later in the day, CO2 levels are low. Bacopa carolina works in a similar fashon.
