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Grower Diaries
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Entry Date
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Nick Name
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Location
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Tuesday, July 16, 2019
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Don Crews
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Lloydminster/AB
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Entry 91 of 147 |
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Using a furnace as my co2 source. In theory I could duct outside air through it back outside and not get any extra heat. It turns off if the fans run so most of the time I can use the extra heat. I have it set for 500 ppm. It is mostly useful on days the temp doesn�t get high enough to run the vent fans. I watched the level drop to 250 ppm as I was getting the furnace running. Our outside ambient co2 level is only 375 ppm. Not sure if that�s because of our altitude or all the crops growing.
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