I was wondering what everyone's thoughts are on using garlic or garlic powder as a method for controlling flies and mosquitos? I know that people say it is effective in humans (or so my 74 year old Grandma swears by!) and I have read it is fairly effective in dogs as well but there seems to be so much controversy with its use in equines according to all of the research I have been finding. Any thoughts? Is it just the "fresh" garlic that should be avoided or if it is all forms then how do companies like SmartPac get away with selling it? Thanks for your input!