VS: [fukuoka_farming] Re: Maple-tapping, revisited
- --- In firstname.lastname@example.org, "Karri Varpio"
>store [birch sap]
> http://www.aurinkolehto.fi/eng/index.htm has developed a method to
> without heating, but they keep their method as a secret.I suspect that they sterilize the sap using ultraviolet light, ozone,
or both -- the same way that chlorine-free tap-water treatment is done.