The most common filter media for VOCs is activated carbon. According to growweedeasy.com, “these are hands-down the best option for controlling marijuana grow room odors.” Activated carbon filtration systems are designed to collect and remove odor molecules through adsorption. By forcing air and odors through 16 carbon canisters, the CleanLeaf Odor Series ensures maximum adsorption.
4. Odor Masking Agent
1. Carbon Air Filtration
While cannabis terpenes aren’t pollution, they are classified as VOCs because they evaporate easily and release molecules into the atmosphere. Cannabis terpenes are one of many VOC sources but the molecules released can play a role in the production of ozone smog if not properly controlled. In both Colorado and Washington, regulators attribute cannabis odor to air quality issues. Cannabis cultivation facilities in Denver County have increased the total VOC emission rate by up to 3.5% with terpene emissions estimated at 362 tons per year – representing more than half the emissions of the entire state.
With all fog, mists and vapors, chemicals are released into the grow room exhaust stream, introducing a foreign element that needs to be carefully managed to prevent harm to plants and people.
8. Vapor Phase System
Carbon filters are what you need if it’s important to neutralize the air coming out of your exhaust. A good carbon filter will make sure you never accidentally leak the smell of cannabis out through a window into your neighborhood.
How to Find & Install The Right Carbon Filter
For a small grow with just 1 or 2 plants, you can usually get away with covering up the smell.
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