Thats interesting, 100 plus shippimg is a little over my price range comsidering I also in canada. But may be a consideration. Im might still be leaning towards chlorhexadine but im interested in everyone elses input lets hope later on we will get some more response to this thread :p very well Informed post though thanks for the info...I wish I had a vet friend...I coukd prolly get a good hookup on something I could use...lol.