On 4/20/2015 11:22 AM, Ed Pawlowski wrote:
On 4/20/2015 12:07 AM, Lew Hodgett wrote:
"Martin Eastburn" wrote:

Or if you want - instead of boiling water which might put in hard
water... simply put them in the microwave.
That was on one of our labels.

Martin
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Problem with my microwave is that it takes longer to boil water
than a gas burner on the stove.


Lew


You don't boil any water. You just put the wet sponge in the MW and
heat the sponge.

Problem of putting a dry sponge into the microwave is that it probably
will not completely kill the germs. The microwave heats the material
present in the sponge. If there is nothing to adsorb the microwave
energy you will not get the germ killing heat.

It would probably be best to wet the sponge then put it in the
microwave. The steam from the little water present in the sponge will
kill the germs