It turns out that a hot solution of alum (ammonium aluminum sulfate), which is available in the spice rack of your local supermarket, will dissolve the steel drill bit without reacting with the brass.
It turns out that a hot solution of alum (ammonium aluminum sulfate), which is available in the spice rack of your local supermarket, will dissolve the steel drill bit without reacting with the brass.
Martha Stewart on MSN1y
How to Improve the Color of Your HydrangeasNo matter how big your hydrangeas grow, a stunning display is about quality as much as quantity—which means faded and washed ...
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