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.

One important note: the tests were done with pure aluminum sulfate (the right name for alum). If you buy alum at the store, it is likely to have potassium or other additives and that might change ...

Gippsland Water is exploring an innovative way to make gravel pavement construction more sustainable using a water treatment ...

With the warmer weather this past month, we were able to continue our effort to improve the water quality and ecological integrity of Wassermann Lake in Victoria. In a partnership with the city of ...

A research team at Clarkson University recently published a study about a plant based alternative to traditional chemical methods of combating Harmful Algal Blooms (HABs).

At its regular board meeting on Dec. 12, the Prior Lake-Spring Lake Watershed District’s Board of Managers voted to continue to invest in alum treatments for Spring Lake and allocated nearly ...

Serious adverse events may be caused by different constituents in a vaccine: the active antigen, an adjuvant such as potassium aluminium sulfate (alum), a conservative agent such as thimerosal ...