They have come a long ways, I believe bob wrote an article that had some photos showing different water tests-did it with hach water quality test kit.
Heres another style with test strips-I have not personally used but looks pretty straight forward and simple. Company has been around since late 60's.
http://www.omega.com/googlebase/product.html?pn=WTS-480024&gclid=CI34uqerqckCFQaJaQod5iII_ABassDoc let us know what you used and how effective it was, would be interested in hearing about the results
