..back in the 70's. And this friend was growing hydroponic weed in buckets on the floor in his closet under artificial lights. He was really into it with pumps and timers and different spectrum lights and the part that was really fascinating to me was how he upped the carbon dioxide level in the closet by releasing co2 from a welding tank into a punch ball into the closet.
The weed grew two inches a day. (2) I wouldn't have believed it if I hadn't seen it with my own eyes. He was out of town for a few days and I raised the lights up as the plants grew.
Carbon dioxide boosting increases the rate of growth in all plants like pot or algae.
Mother Earth creates more and bigger plants to breathe in the increased carbon dioxide.
It seems to me that carbon dioxide levels are probably self regulating.
"Timid men prefer the calm of despotism to the tempestuous sea of liberty" TJ
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