If you ever surprised by a snake or a brown snake you know why it is great to know how to keep them away. A bite from one of these snakes can cause pain, injury and possibly death. To this end, the snake repellents are available to do that, without harming the snake.
Often this is that the animals have learned to avoid (or instinctive Avoidance) in the natural environment. Some animals will prevent any particular smell urine predators, for example.
Some chemical repellents are combining the two principles of avoidance. By using these same principles, there are a number of snake repellents on the market, ranging from homemade drugs (with limited effectiveness, if any) to fall, chemical insect repellents and electronic repellents.
Most traditional snake repellents use chemical naphthalene. This chemical has been found to cause liver damage, anemia and classified by the EPA as a Class C possible human carcinogen. They generally do not desire a lot of homes and property. There are other products like Liquid Fence Snake Repellent that the liquid chemical to ward off snakes. It is free naphthalene, the earth and family friendly, and equally effective in blocking the snake guaranteed. Another option is to use granular repellent as Dr. T's Snake-A-Way disgusting. Each requires placement on or around the object or area to drive the snake. However, they need a new request after heavy rain or after a few weeks ago.
However, if you are resistant to the idea of using chemicals (even if they are the earth and environmentally friendly), you can hose electronic insect repellents designed to ward off snakes. They emit a pulsing vibration tube to evacuate the area causes. Snakes can get some sound waves conducted through the air, but only at very low frequencies. They really feel the vibrations all over their bodies through their backs.