Enriching the air around your plants with CO2 supercharges the photosynthetic process, creating healthier plants and, ultimately, bigger yields. Gaining sufficient carbon from CO2 is important even at the earliest stages of plant development, when the plant prioritizes root development. Like compound interest, these early “investments” in plant structure support the creation of additional biomass as the plant matures. The best results from CO2 enrichment are realized when it’s applied to both the vegetative and flowering stages.

Yield improvements from CO2 enrichment derive from more, larger, and denser buds and can exceed 30-40% … commonly generating 25-30 pounds of additional finished product per 1,000 square feet per harvest. As Ed Rosenthal likes to say, plants evolved when there were greater concentrations of CO2 in the atmosphere and they “know” how to use more of it.

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