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Entry Date
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Nick Name
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Location
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Sunday, June 12, 2022
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Matt D.
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Connecticut
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Entry 32 of 71 |
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The Atlas 8 is used as the main system since it has an automatic shut off when the exhaust fane comes on and the Atlas 9 controller keeps the environment around 400ppm when the other system is idle.
Looking at the readings being 100ppm different may cause concern but both are accurate, since the sensors are mounted on the same stake and differ in their vertical placement. Since CO2 is heavier than air the lower sensor will read higher than the sensor higher up on the stake. So, the 100ppm difference is expected and should be maintained as this is the “same” value for the growing space.
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