No i dont, first time i used it on sunday, i took my springer to my friends for him to have a look at what i thought may be a tick in the think hairs under his ear/side of jaw and it turns out that he had lice! my pal got a tube of stronghold and and said that it was thee stuff to clear it up, which it did pretty rapidly. so i just thought that i would get a few tubes in just in case this recurred. to be honest i have not asked my vet how much they ask for it as i only looked on the internet when i got home from my mates... obviously i do not begrudge anybody making money on anything, after all you are running a business not a charity.. thanks for all your help and advice.
regards, Jez.