Question About Apc 8200 Autopilot Co2 Controller

  • Thread starter MeanGreen420
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sixstring

sixstring

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5 minutes after lights out I have an exhaust fan comes on and pulls the co2 down to atmosphere levels,takes about 5 minutes.
 
GrowChuck

GrowChuck

8
3
I just bought the same controller, and when i hooked it up for the 1st time my Co2 readings are Appx. 850 ppm??
This is with NO Co2 hooked to the system yet! Can someone Please explain to me how my basement can had twice the average air Co2 without the tank being hooked up yet?
This is in a 5.5' x 6.5' room with appx. 20 15"-24" tall plants!
Thx
 
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