# Questions on soil

**URL:** <https://ilgmforum.com/t/questions-on-soil/14359>\
**Category:** Preparations\
**Created:** [August 17, 2017, 12:18pm UTC](https://ilgmforum.com/t/questions-on-soil/14359 "2017-08-17T12:18:21Z")\
**Posts on this page:** 2\
**Page:** 3

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**Author:** ![Jmesser80](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/jmesser80/32/41138_2.png) [@Jmesser80](https://ilgmforum.com/u/Jmesser80)\
**Post date:** [October 7, 2018, 8:15pm UTC](https://ilgmforum.com/t/questions-on-soil/14359/42 "2018-10-07T20:15:42Z")

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I don’t use Co2 so I’m not positive, if I remember correctly you need quite a bit of Co2 for it to make a difference.  
As far as oxygen in the soil I don’t think you can have too much.  
To tag someone in a journal put an @ symbol next to the persons name I.E. @irma1010

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**Author:** ![Whodat66](https://sea2.discourse-cdn.com/growingmarijuana/user_avatar/ilgmforum.com/whodat66/32/128842_2.png) [@Whodat66](https://ilgmforum.com/u/Whodat66)\
**Post date:** [October 7, 2018, 10:26pm UTC](https://ilgmforum.com/t/questions-on-soil/14359/43 "2018-10-07T22:26:28Z")

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co2 is like lights. Lots of opinions. It definitely works, but for the home-grower to use it effectively is another question.

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