frankf,
Brownells sells Ed's Red premixed. http://www.brownells.com/aspx/NS/store/ProductDetail.aspx?p=19936&title=

Rabbit, Jim,
With steel alloys, hardness and tensile strength go together like Hansel and Gretel. An increase in one, increases the other. But, I'm not getting in the debate over whether a SS brush is o.k. or not. Just providing a point of data for you future reference.