I can relate to your husband's symptoms. If I don't eat a lot of grains I get low blood sugar-- what has helped with that is chlorella. There is no way in hell I could do the classical candida diet, I would simply waste away. What I am doing now is the Life force plan http://www.lifeforceplan.com
and it allows for as much brown rice as you want, potatoes, all fruits except oranges. The Dr. that came up with it is on the forum ask dr. jeff. You don't have to do it for very long. There are three supplements. And no he is not paying me to say this.
Btw the spit test is bogus, I imagine that somebody in marketing at three-lac/GHT came up with that.