Is a MASSIVE tank suitable for anything more than low tech?

[Edvet]

This was on low 24/7 CO2:

38068787_00005295 by Ed Prust, on Flickr

 

[Edvet]

When i went hich tech i built a homemade reactor with a venturi principle to create low presure to reuse CO2 from the top of the reactor, like demonstrated by member "plantbrain" ( Mr Barr from USA)

 

[Paul Sabucchi]

This was on low 24/7 CO2:

38068787_00005295 by Ed Prust, on Flickr

If I manage to replicate that I think I would be pretty pleased with myself