On Jun 3, 2:17*pm, maxine > wrote:

> Baking soda and hot water. *I had a ponzu bottle with a narrow neck
> that would not come clean. *Slid about a teaspoon of baking soda in,
> added hot water from the kettle, and shook. *Magic.

Just curious. Why did you want to clean and save a ponzu bottle?
BTW, can't we 'make' our own ponzu by just adding lemon and/or lime
juice to soy?