John Gatt K9 on Instagram: "This month topic... natural flea prevention killing them!. My best natural method of keeping fleas and destroying them of my dogs is ..... SWIMMING!. I swim my dog at least 2 to three times a week during flea sessions especially I like swimming Auss girl in salt water why? Because when swimming dogs in water is not only great for their health especially while rehabbing them but fleas will drown within 30 seconds and by not washing your dog when you get home the salt o