Active Air CO2 Replacement Regulator for Hydrofarm CO2 System water-pumps-&-irrigation-supplies Heat Blast that rapidly raises

Heat Blast that rapidly raises the room temperature

The PowerVEG 420 is a true VEG light for indoor growers

lush producing plants

The outer casing also incorporates a molded eye so that the meter can be hung right where it is needed

Active Air CO2 Replacement Regulator for Hydrofarm CO2 System water-pumps-&-irrigation-supplies Heat Blast that rapidly raisesThis product is a replacement part for the old style HF COSYS, and is not a complete unit system. CO2 is an odorless, invisible, and non flammable gas. The average level of CO2 in the atmosphere is about 300 ppmv (parts per million). If the level decreases down below 200 ppmv in an enclosed growing area, plant growth slows to a halt. Through the years of testing and research, the optimum enrichment level of CO2 for plant growth has been established at