He cleaned houses for years, got sick from the cleaning products and developed sane, safe and effective alternatives. All you need is:
- baking soda
- white vinegar
I use lemon and baking soda to keep my kitchen sink clean and fresh.
Vinegar washes my windows (and kills weeds)
I will try the borax and salt ideas and let you know.
Internet searches bring up all kinds of uses... or you could take a look at his book.