Okay, last weekend I found a Water Moccasin (baby one) living in fig vine that is on the brick on the back of my house. Today, killed a 7' long chicken snake. They are clearing a lot of land around my 3 acres for new subdivisions and I am getting a lot of wildlife on my property - snakes, skunks, possums, even hearing coyotes at night now. So, what is a good snake reppelant that won't hurt my dog? My backyard is enclosed from the rest of my land, so I could put something out around the perimeter of the fence that my dog can't get to.