What smell? I thought that was perfume! Actually, when the box was in my home, we just lived with it. It only became really strong during the flower phase and it never really bothered me. My wife, on the other hand, complained all of the time about it. As a result, I moved the box out to the garage thinking that would be the end of it. However, during the next flower cycle, I noticed that the whole driveway and yard started to smell. It was leaking out from the box & garage. As a result, I built a small carbon scrubber. It's about the size and shape of a small shoebox, and hangs right on the back of the box over the fan outlet. The box is filled with sheets of filter material purchased at Home De'Pot. The whole unit cost about 20 bucks U.S. to build and took 20 minutes to make. The price even included enough carbon for two fills. Here's a link to the filter material I use. It's less than $10 a sheet and easy to cut into any shape or size.
Since the box is not in the living area of my home, I'm considering using an Ozone Generator as well or as an alternative.