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My flower room is 10ft by 7.5ft and about 7ft tall. It’s in a shipping container buried underground. I was originally very worried about the co2 issue and the fact that my vpd is way outta wack, but I’m harvesting my first crop in a week out of this room and the plants are beasts. I’ve been...

I have a similar issue. My room gets up to like 3500-4000 ppm most nights and my tank only runs the last 5 or so hours of flower because it takes all day for the plants to catch up using all that co2. I try to vent the room as often as I can but some days It does not get vented. My plants do...

Thx for the response. I appreciate the help :) My monitors show me the last 24 hours so that’s how I know the controller is kicking on the tank towards the end of the light cycle. Unfortunately no wifi or cell signals can get through the underground container. So one of my next project is to run...

It’s in canna coco. Using canna coco a and b plus calimagic for nutrients. I have also added beneficial bacteria in the root zone during transplant. I took the co2 tank out and it is still producing co2. I also put an autopilot co2 monitor only and it is showing almost identical co2 levels as...

Looking good. What lights are you using?

Good idea. Will try and let y’all know. Thanks!

First thing I thought of. So I re calibrated to outside air, it reads 400, then I take it in the container and it spikes instantly. I turn on the exhaust fan and it brings it back down. Turn off the exhaust fan and it goes right back up. I take it outside and it reads 400 again. Weirdest issue...

I’m trying to figure out how or why co2 levels would be so high without gas. I’ve also never seen the issue before.

I recently built a new setup in a shipping container. I’ve been growing for about 15 years but have never done a shipping container before. I built a veg and flower room. This is my first run in this setup and I have a co2 tank in veg and flower. Initially my co2 was spiking to almost 5000 ppm...

Just my opinion on overdrive.... I keep my reciepe very simple but I actually used overdrive for many years and loved it. I tried with and without and noticed a difference. Seemed like it would “finish” the flower off better. Don’t know how else to explain it. Haven't used it in years because I...