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iGS-221 operates the intake-exhaust fan(s) for only 2 minutes per hour to replenish the garden's atmosphere in oxygen as it is needed for the plants and for a safe CO2 combustion generator operation. iGS-221 does not use fan(s) to cool or dehhumidify the grow room.
When a CO2 combustion generator (propane or natural gas) is used to raise the CO2 level, ventilation for at least 2 to 5 minutes is mandatory to replenish the oxygen supply required by the generator's combustion. Insufficient oxygen supply in the garden's atmosphere provokes production of carbon monoxyde, toxic to humans, and ethylen, toxic to plants: often seen as poisoned plants leaves roll into itself.
Item Number: 135735
Manufacturer: Nova Biomatique
Manufacturer's Part Number: KIT-IGS-221
Model Number: IGS-221
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