A dehumidifier removes humid from the air whenever humidity levels become too high. Your grow room can get too humid when your light cycle is shortened. Use a dehumidifier to prevent bud rot and other molds.

Learn all about humidity and your grow room:

More climate related terms:

Climate | Air circulation | Airtight | Charcoal filter | Extractor | Fancontroler | Fans | Hygrometer | Humidistat | Humidifier | Heating

World Icon

marijuana seeds worldwide

200 grow guides

500 Helpful Articles

Group Icon

group of growers

35,000+ Daily Visitors

500,000+ Grow Bible readers

Plant Icon

marijuana strains

1500 Strain Reviews

100 Strains For Sale