We need to raise the level of CO2 to its optimum level to encourage plant growth. 400 ppm is too low.
"We need to raise the level of CO2 to its optimum level to encourage plant growth."
With increased CO2, Moonbeam's pot from Northern California would grow so much better. Then Moonbeam would realize that CO2 was his friend and the worst thing about it was a bad case of the munchies.