YSI Photometer Replacement Reagents

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The YSI Photometers depend upon reagents specific to a parameter of interest.  These reagents react with the parameter of interest to change the color of the water; the intensity of color is proportional to the concentration of the parameter.

The YSI Photometers can measure over 100 parameters, therefore the list of reagents is quite extensive.

These replacement reagents include 250 tests per pack, unless otherwise noted.

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