MC> Go to the drug store and buy a pack of litmus paper. 
 PR> Sorry, litmus paper only has one color shift, turning either pink or
 PR> blue--just like hydrangeas!  There is a "universal" test paper that
 PR> is a combination of different indicators normally yellow and can give
 PR> a general indication over a range, but it isn't very accurate.
Try getting an aquarium water-tester - which will be nothing more than 
Bromothymol Blue, a tube, and a color strip. However, when used properly, 
such a kit is damnedly accurate.
--- Maximus/2 3.01
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