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How To Reduce Odor When Growing Indoors

Green Pot Plant
Photo by Gracie Malley

Cultivation

How To Reduce Odor When Growing Indoors

These three odor-proofing strategies will help keep your cultivation discreet.

Everyone who has grown a substantial crop in their basement will attest to the strong odor the crop produces as the plant matures. Most people have been busted simply because of the strong smell of a mature plant permeating the air around the home in question.

There are a few things that can be done to keep the smell of cannabis down both within and outside the house where it is being grown. Running a hepa filter in the growing area will stop a large amount of the odor, but not all. While the activated charcoal in a hepa filter will stop most of the smell, some ventilation to the outside will also be needed.

Hepa filters come in many sizes and shapes. Some are just the filter, while others incorporate a of fan. If you have the choice, choose the filter with the fan. Most basements have at least one small window, so use it is as the output of the filtered hepa filter. Remove the glass and replace the window with a board with the hepa filter shape cut in. Choose a window that vents to the backyard or a window on the side of the house with low traffic.

Another way to keep the scent down is with eucalyptus. Eucalyptus is great for covering odors and replacing them with the cool scent of the plant. Eucalyptus is also great for keeping the humidity down, an action which negates the growth of mold and fungus, since they both need a damp environment to grow in.

The eucalyptus needed is usually in the form of an oil, which won’t do its job if the surface area is as small as the diameter of the jar it came in. To that end, pour the oil in a wide, shallow pan. This will result in a decreased marijuana odor. The eucalyptus will also reduce the humidity due to its very efficient moisture retention properties.

Another way to negate the odor of a healthy crop is to hermetically seal the growing area. This takes time and a bit of building know-how in order to achieve the best results. Basically you encase the growing operation in plastic, with all four surfaces being within the bubble. You simply don’t let out any air from the growing area. Keep your visits to a minimum and make sure the plastic doesn’t touch the grow lamps.

If you’re in a city and the houses are close together, you should be using all three of the odor-proofing strategies presented here. Run your external facing hepa filter late at night / early morning and replace the eucalyptus every week. You should also run the interior hepa filters at all times. Most hepa filters last about a month before they need to be replaced and are relatively cheap and easy to use.

Activated charcoal is designed to react with its surrounding air and trap odors. While most hepa filters incorporate activated charcoal, not all do. All grow ops have a fan of some sort to move around the air in the growing area. Put a shallow pan filled with activated charcoal in the main stream of air flow from the fan. Stir occasionally. This will help keep the smell down considerably. Make sure to replace the activated charcoal every week.

By following these easy to implement odor remedies, you’ll be safe from nosy neighbors and your crop will be healthy due to the reduced humidity. Keep the grow area sealed and be liberal with your hepa filters and you can’t go wrong.

What do you do to reduce odors in your grow? Let us know in the comments below.

5 Comments

5 Comments

  1. mountain man

    January 21, 2016 at 7:31 pm

    Nice info..my hepa is on its way it comes with ionizer..i will be using eucalyptus oil n lemon grass oil to keep odors down…this is my first grow i wanna get carbon filter but not many options in India…will this keep odors down from 4 plants cos am stealth growing…

  2. Filter Phantom

    August 18, 2015 at 12:34 am

    Great article! Just an FYI about activated charcoal/carbon. Activated Virgin Carbon Filter Media comes in bulk sizes for those who need more. Starting with 30 lb boxes, sealed in plastic, 55 gal drums, and even 1,000 lb super sacks. Good luck!

  3. William Gerdes

    August 17, 2015 at 10:12 pm

    Ona works very well. Also, using an inline carbon scrubber is better than a Hepa filter for removing odors.

  4. Tego

    August 17, 2015 at 6:59 pm

    Yo nice

  5. Don Moore

    August 17, 2015 at 4:42 pm

    How long does it take to smell anything in outdoor 4month plants

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