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Thank you, Sierra. I'll give your activated carbon powder suggestion a try and report back.
I clean my CPAP machine weekly and change the hypo filter every 3-4 weeks, based on how grey it has become. A few evenings ago, a very strong skunk smell entered our house. We immediately closed all the windows and ran all of our exhaust fans - bathroom fans and outside-vented range hood - for about 30 min until it became bearable. We kept the windows closed all night. In the latter part of the night, I kept being woken up by a strong skunk smell coming through my mask. In the morning, I took a strong whiff of my hypo filter. No smell. While pre-heating my machine at night, I tested the smell of the air coming out of the tube. Pungently skunky! I tried changing the hypo filter and that immediately solved the problem. Conclusion: the skunk smell got trapped in the hypo filter and will be released at the range of air pressure generated by a CPAP machine. Hypo filters are expensive and should last a few weeks. I can't afford to throw them away more frequently just because a skunk lives in our neighbourhood. Has anyone else encountered this problem? How can I safely remove that skunk smell from my hypo filter? I looked into Ozium Air Sanitizer but read that the vapours are not safe to breathe in. Would the filter retain its integrity if I follow the advice for skunky clothes, i.e., wash with a regular laundry detergent mixed with baking soda in hot water, then air dry?
