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Seems to me the amounts of CO2 transported to the plants from spraying seltzer water would probably be quite small and sporadic.
And do the leaves absorb CO2 in that manner? Another problem is that preferably when applying CO2 you want maximum lights going and even quite high heat, risking burns.

Is it worth the effort?'

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faithlessxxx Reviewed by faithlessxxx on . Seriously - Discussion On Spraying CO2, Any Point? . Seems to me the amounts of CO2 transported to the plants from spraying seltzer water would probably be quite small and sporadic. And do the leaves absorb CO2 in that manner? Another problem is that preferably when applying CO2 you want maximum lights going and even quite high heat, risking burns. Is it worth the effort?' . Rating: 5