This non-toxic method of preventing squirrels from accessing bird feeders can save you hundreds of dollars each year on wasted food.
First, you'll need a section of PVC pipe the height of your bird feeder pole. The size pvc pipe is entirely dependent on the size of the post/pole that the bird feeder rests on.
Slide the pole down into the PVC pipe and secure the pole itself into the ground. The pvc pipe
Apply a coating of wax to the pvc pipe using a cotton cloth. Be sure to "grease" the pole well.
Here's what happens when the squirrels attempt to jump on the waxed pole:
Be sure that you DON'T paint the pvc pipe first as this changes the texture and the squirrels WILL still be able to climb it, even after it's waxed.
Video & Photo Courtesy of Mary Chapman