I called my mom and she told me to put him in the tub with warm water and a bunch of baking soda in the water so that's what I did. (theletteredcottage.net)
Here's the boiled hazelnuts with baking soda in the water. (bakingandboys.com)
Users have treated canker sores by dissolving baking soda in water and holding it in their mouths, and by applying baking soda directly to the canker sore. (commonsensehome.com)