We have been on a camping holiday to northern Australia since I thoroughly cleaned and sprayed our bedroom, which I did the week before we went on holidays. My husband has been advised he has a moderate allergy to dust and dust mite from a RAST test. I thought his allergy would dry up in northern Australia where the air is drier, but no. He sneezed and had a runny nose every day. But after we had been home for 24 hours he stopped sneezing and slept much better. I think the Dustroy must have worked well. We will see how it goes as time goes by.
Sorry it has taken mw so long to reply.
Regards from Margaret
Email posted with permission -13 October 2011