Viewing post #303199 by Sharon

Carbonatation. That's the word I couldn't remember.

Anyway, here's a pretty good history of whitewash: http://en.wikipedia.org/wiki/W...

But here is an excellent article, and it says to start with lime:

http://newlifeonahomestead.com...

It even includes a photo of Tom Sawyer. My hero!!
And now we know.