If your house connects to a septic tank and drain field,don't even think of
putting
marine toilet odor treatment down the crapper.

The chemicals in most of those are deadly poisonous. They kill off bacteria,
and can literally shut down your septic system as a result.

To control waste odor on a boat you want to have properly designed system, a
well vented holding tank, and a happy colony of the *right kind* of bacteria
chowing down on all the crap that gets flushed. The wrong kind of bacteria
makes that all too familiar sewer smell. Dumping perfume and poison into the
system doesn't really do much for a boat, and it wouldn't do much for your
household toilet, either.