To control the climate in your grow room you need to keep it airtight. The only air to enter or leave the room should go through an extractor and charcoal filter.

Using an extractor ensures no smell leaves the room, and that temperature and CO2 levels are controlled.

Learn all about climate for growing marijuana:

More climate related terms:

Climate | Air circulation | Charcoal filter | Extractor | Fancontroller | Fans | Hygrometer | Humidistat | Humidifier | Dehumidifier | Heating


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