If this is well water then that is likely calcium carbonate from underground limestone. That would be about 250 or so ppm of hardness if so.

Marshall

On 11/3/2010 12:17 PM, Dorothy Fitzpatrick wrote:
My tap water reads 288!  dee


On 3 Nov 2010, at 13:53, Beth wrote:

Actually I just realized that the temperature in my house
was not 77degrees. So this morning I reset the pwt meter using the
room temperature. I had to bring the calibration from 84 down to 76.
I wonder how that would impact my readings.

I am distilling water again.

Also, the distilled water read 2.8 last night but it was still warm
and this morning after it cooled down it read 0.7

I have to find the chart that helps me understand what that means in ppm.

I think if it reads 1.0 it means .4 ppm
My tap water reads 1   .  That is 1space space decimal point. So I believe
it is over its capacity!

Beth



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