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The CO2Meter Day/Night CO2 Controller are great for use in greenhouses, grow rooms, hydroponics rooms, and other places where elevated carbon dioxide levels are used to maximize plant growth. It allows you set high and low target CO2 levels using advanced hysteresis logic. The CO2 Monitor & Controller has a built‐in photo sensor that overrides the CO2 control and shuts off the CO2 when it senses darkness. Most importantly, it is easy to use and install.
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