Environment Safe CO2 Enrichment for Sealed Vertical Hydroponic Farms: PPM Targets, Injection Sizing, and Sensor Interlocks Safe CO2 Enrichment for Sealed Vertical Hydroponic Farms: PPM Targets, Injection Sizing, and Sensor Interlocks Common Mistakes “CO2 is plant food – more is better.” That By Jeremy Banks 5 Jan 2026
