10 field-tested tips
- 1Fog vacant units with a hydroxyl or ozone treatment — perfume cannot remove cannabis resin.
- 2Prime the vacant unit with an oxidizing sealer on drywall if odor persists after fogging.
- 3Replace HVAC filters immediately after a smoking-recovery event; the filter is saturated.
- 4Steam-clean carpets with an oxidizing additive; standard hot-water extraction is not enough.
- 5Replace popcorn-textured ceiling tiles — they trap resin permanently.
- 6Audit the exhaust fan in the bathroom; smokers use it as a hood, and the duct becomes the odor source.
- 7Add a corridor dispenser near known smoking units — you can't stop residents, but you can prevent complaints.
- 8Never use bleach on cannabis residue — it fixes the odor rather than removing it.
- 9For 'skunk' complaints outside a building, check dumpster and ejector-pit vents first; it's rarely the tenants.
- 10Document every treatment cycle; property managers need the paper trail for lease enforcement.
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