An easy, simple, accurate way to determine the cobalt content of your coolant. Use them like pH paper. Dip them in the coolant and then compare the color. Boeing feels that 10 or under is good. This picture is pretty good. At 10 or under you can just possibly see a very faint blue color.
100 Cobalt Testing Strips per container
WARNING: Cancer and Reproductive Harm—www.P65Warnings.ca.gov
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