Hello Stoners. Thought you might find this interesting. There's enough evidence, both anecdotal and scientific, to assure me that enriched CO2 levels really do work for your plants. This little video illustrates it beautifully.
https://www.youtube.com/watch?v=P2qVNK6zFgE
https://www.youtube.com/watch?v=P2qVNK6zFgE