
I was skeptical how well any of these would work. I moved into a townhouse where the previous tenants smoked. When I came to inspect it it was painted and refurbished which masked the smell. I thought I was unlucky and got stuck for the rest of the lease and my apartment absolutely stank. I tried a few things like wiping down the surfaces with vinegar and spraying the carpet with baking soda (it helped) but the smell was still pretty strong. When I turned on the AC it smelled even worse because the air ducts were just filled. I googled how to get rid of smoke smell and came across ozone generators. There were mixed reviews and many people said they didn't work. I am very glad that I took the plunge and bought this product. I immediately started noticing the difference. I close all the windows, turn on the stove/air conditioner fan and put this thing next to it. I did this every day when I went to work for about a month. I started turning it around in different rooms as I walked during the day. The improvement was gradual but noticeable. After a few weeks the smell of smoke was almost gone. The area of my townhouse is about 1200 square meters. feet, and the 5000 mg dosage was enough for me. They are not joking when they say that all living things must be removed. I once accidentally left a succulent in the kitchen and it died immediately. Don't leave it on when you're home and air your apartment before you go inside. It leaves a residual odor that I can best describe as bleach-like. You really need to open the windows after using it and the smell of ozone will be gone in a few hours.

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