On Sat, 17 Nov 2001, Harry Wyeth wrote: > ... Has anyone noticed that the water conditioning industry seems to > still deal with "grains of hardness"?
Sears in Illinois still uses grains, but the Illinois State Water Survey (located on the UI campus) used grams per liter (g/L) of each significant mineral (same as mg/ml) for the analysis of our well water. Gene.
