Active Air CO2 Replacement Regulator for Hydrofarm CO2 System

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This product is a replacement part for the old style HF COSYS, and is not a complete unit/system.

CO is an odorless, invisible, and non-flammable gas. The average level of CO 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 CO for plant growth has been established at 1500 ppmv. With CO enrichment, under good conditions, plant growth rates and flowering will increase 20-100%. CO can be used from seedling right through harvest.

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