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I'm collecting several days of data on a single CO2 fermenter of 10 liters and will post the graph in a few days. I'd like to observe one cycle of fermentation over 5 to 7 days.

Well I ran the test but forgot to turn off sleep mode on my laptop, so I got 30 minutes of data. (Nice boy, just a little dumb!). I'll try again.

I Will run it overnite and get the graph. Up to one I've just been sampling for a half hour here and there.

Yes, I'm using a fermentation lock. I also make wine, so just use the carboy setup for that with the sugar/water etc formulation. I've got half sized carboys so I use them cause their lighter to pack around. I've been reading about too much CO2 for plants and will cut down to one carboy using...

I'm using a CO2 meter sold at CO2meter.com. The outside readings are 350ppm, so I think it's pretty accurate. Its a USB CO2 Probe Meter/Data Logger 1/ 30/ 100%.

I have a 5 by 7 room (8ft ceiling) completely sealed. I control humidity with a humidifier and using LEDs, have no heat issues (range is from 74 to 84 degrees). I have a CO2 data logger for continuous CO2 monitoring. I am using the fermentation method with 2 small carboys and a standard...

Thanks. I really appreciate the help. These plants become like our kids - you really don't want to screw up!

This is an indica/ satvia strain. A closed system. Using advanced nutrients 2.7 ml/litre 1/1/1 on the micro/grow/bloom. Under 357 magnum LED. CO2 enriched (fermentation system but don't have a CO2 meter yet). One plant out of three shows the following on several leaves. Two at the top and...