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Odor Control Challenges in Commercial Cannabis Cultivation

Chorus • November 15, 2024

To consumers, the smell of cannabis is an integral part of their experience, providing information about the taste and potential effects of the product. 


For cultivators, however, the strong scent of cannabis can pose a real logistical and regulatory problem that has been difficult to solve. 


The Importance of Commercial Grow Room Odor Control

The most crucial aspect of cannabis odor control is legal; many states and jurisdictions have regulations concerning the odor of cannabis cultivation and processing facilities. 


Minimizing the odor of your indoor cannabis cultivation facility can also improve overall air quality and demonstrate respect for your community , reinforcing the importance of effective commercial grow room odor control.


Why Does Cannabis Produce Strong Smells When Growing?

Cannabis plants are famously aromatic, with the most potent scent arising during the final weeks of growth and during the drying process. Their pervasive aroma is primarily due to terpenes, a volatile organic compound (VOC) that protects the plant, attracts pollinators, and helps give each cultivar its unique flavor, scent, and effects


Because terpenes are integral to the customer experience, cannabis growers work hard to preserve them, which can mean actively curating the compounds that make cannabis so odiferous.


Challenges of Odor Control in Commercial Cannabis Facilities

In cannabis cultivation facilities that grow, dry, and process large amounts of flower, the distinct odor of cannabis is unavoidable. The odor can disturb members of communities near cultivation facilities — even when those cultivation facilities are entirely indoors. In response to community complaints and concerns, many states and cities have adopted laws requiring cannabis cultivators to use odor control systems. 


Historically, odor has been one of the most challenging factors to control when growing cannabis. High-quality cannabis is often the most fragrant, so cannabis cultivators must try to minimize the cannabis odor that is a byproduct of cultivation while simultaneously maximizing flower aroma for consumer product appeal.


Compliant Odor Control: Navigating State Regulations

Many states and territories — especially those with high concentrations of indoor cannabis grow operations— have regulations to combat cannabis odors. For many operators, these regulations present real difficulties. 


Some places, like
Washington D.C., require cannabis cultivation facilities to have an approved plan in place to control odors. Others, like Colorado, focus more on cannabis odor control as an offshoot of air quality. States like Michigan and Washington require cannabis cultivation facilities to file permits or pay fees to offset the impact of cannabis odors on the surrounding community. Some states, like California, only have odor control requirements on post-harvest operations, making commercial grow room odor control systems critical for your drying and processing rooms will. 


Even in places without explicit cannabis odor control regulations, investing in an odor control system is still the best practice to show respect for your community and improve your overall indoor air quality. 


Best Practices for Managing Odors in Large-Scale Cannabis Grows

Commercial cannabis cultivators need to mitigate the aroma of their plants. How can they do so?

  • Insulation: Ensuring that your grow room and processing areas are properly sealed will help keep odors from escaping. 
  • Airflow: Maintaining good ventilation can help ensure that the smell of your cannabis plants goes where you want it, making it easier to manage. 
  • Air filtration: Air filters can help manage cannabis aromas but are not the most efficient method when used alone. 
  • Air sanitization: Cleaning the air itself is one of the most effective methods to truly eliminate cannabis smell, not just reduce or disguise it.


Embracing Future Odor Control Solutions for the Cannabis Industry

The cannabis industry continues to grow and push toward the future, and the technology we use to cultivate and care for our plants also needs to adapt. Chorus’ odor control system provides cultivators with the simple solution they need to stay compliant and manage odors to the desired levels. When you’re ready to control odors and improve the air quality of your cultivation operation, contact Chorus for more information about joining our pilot program.

By Chorus January 23, 2025
The cannabis industry is built on the idea of creating positive change. From policy changes and community improvement to future-facing growing solutions, cannabis professionals bring innovation to every corner of the industry. Cannabis cultivation technology is evolving, too. Chorus specializes in providing cultivators with innovative solutions to maintain healthier grow rooms and higher-quality crops through pathogen control and pest management. Integrated Pest Management Plan Basics: What is IPM? Integrated pest management, or IPM, is a type of pest control methodology that considers organisms harmful to humans or human concerns’ life cycles and the environments in which they thrive. Using this information, IPM empowers cultivators to create environments that discourage pest proliferation and pathogen growth. IPM strongly emphasizes cost-effectiveness and environmental impact, seeking the most economical and safe solutions to common pest problems. 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For an effective IPM strategy, cultivators need to proactively control for pests and pathogens through ongoing methods like entry and exit protocols, routine sanitization of surfaces and tools, and maintenance of air quality. Understanding What Species of Powdery Mildew Attacks Cannabis Plants There are more than 800 cataloged species of powdery mildew . Most plants are only susceptible to one or two of these species. Hemp and cannabis can be impacted by Golovinomyces ambrosiae and Podosphaera macularis , though there may be more. Implementing IPM to Prevent Powdery Mildew and Pathogen Growth Though there are only two known types of powdery mildew that affect cannabis plants, they can severely impact the quality and quantity of flower that a crop can produce. Cannabis cultivators must control this common pathogen. Powdery mildew is incredibly difficult to get rid of once it appears. Luckily, IPM strategies can help minimize its spread and even keep it from appearing in the first place. IPM for Cannabis: Tools and Techniques for Success Cannabis cultivators can leverage many different IPM techniques to manage, control, and minimize the presence of pests and pathogens in their grow rooms. Entry and Exit Protocols. Maintaining strict cleanliness standards for workers entering and exiting indoor grow rooms can help to prevent the introduction of germs and the spread of pathogens. Maintaining a Consistent Grow Room Environment. Temperature and humidity fluctuations create the ideal environment for powdery mildew to grow. An air quality monitoring system can help maintain consistent temperature, humidity, and airflow to create and sustain an inhospitable environment for pests. Regular Cleaning and Disinfection: Consistently sanitizing grow room surfaces and tools can help minimize the spread of pests and pathogens by removing bacteria. Air Sanitization Technology. Many pests and pathogens, including powdery mildew, spread through the air. Clean air is essential to IPM and critical for growing healthy cannabis plants. Creating a Customized Integrated Pest Management Plan for Your Grow Room Integrated pest management is the best way to ensure a cost-effective, healthy, and pest- and pathogen-free cannabis cultivation facility. Chorus creates and maintains healthier indoor spaces in cannabis cultivation facilities. Our innovative products are designed to complete any cannabis IPM strategy. Contact us today to learn more about our technology and discover how to get Chorus into your grow rooms.
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