I take a plastic bucket (not sure the size) and place it under the faucet in my bath tub. I just run the hot water into the bucket and let the water flow out of the bucket into the drain. I just keep the hot water running until it get's cold and then shut the water off. It usually takes about 20 to 30 min before my hot water goes.

I like this process because the oil comes out of the ball and flows over the bucket into the drain. This way new hot water is in the bucket all the time.

You don't have to worry about water getting into the holes of the ball! I usually just wait 24 hours before using that piece of equipment. Water will not ruine the core of the ball! I had a finger grip come out once but that's the only thing that ever happened from using a hot water bath.

This hot water bath process works!

My 2 cents: If baking a ball in the oven or the sun, I have found that the best and cheapest way to remove the oil that has come out is to wipe it down with windex.