Co2 during veg?

Your Grandfather · Nov 9, 2009

Magnetar said:
Thanks, I am going to start a journal soon, stay tuned.

I keep my co2 around 1100 during veg and bump it up to 1500 in flower.

Yes, you can have too much co2, it could be dangerous.

1500ppm is about as high as you want to go.

Hope this helps you.

Trazzer · Nov 10, 2009

I use CO2 as well and I lower it with 2 weeks left to 500 co2, and off for last week. There is significant clues that point to loss of flavor and smell from the use of high co2 in the last weeks.. Co2 is really for vegitative growth but that includes the first 4 or 5 weeks of flower, for this reason people have issues with there plants taking longer then usual and continuing veg growth and never realy finishing off.

rufus thomas · Nov 10, 2009

Trazzer said:
I use CO2 as well and I lower it with 2 weeks left to 500 co2, and off for last week. There is significant clues that point to loss of flavor and smell from the use of high co2 in the last weeks.. Co2 is really for vegitative growth but that includes the first 4 or 5 weeks of flower, for this reason people have issues with there plants taking longer then usual and continuing veg growth and never realy finishing off.

Thanks, thats the info I was searching for. It makes sense to me. I tend to divide the expectant flower period in half and dose for the first half.
Cheers all.
Rufus T

mr.smileyface · Mar 15, 2010

Use co2 from week 4 to 6 for a total of three weeks. 4,5,6 stop at 7

Tommy Do · Jan 22, 2021

dagobaker said:
run 1500 ppm for co2
during veg expect 40 % bigger/faster growth
in flower u dont harvest any faster but at least 40% bigger/heavier buds
ive been running co2 for 8 months with amazing results
imho.........not using co2 isnt very smart
why not increase yield by 40% with no added plants or electric/light

Thanks for sharing your experience.
What was your average room temperature & humidity during Veggie stage & flowering stage when applying CO2?
Cheers & have a good day.
I am going to try CO2 and hopefully, I will receive your feedback soon.

Co2 during veg?

Your Grandfather

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