R-0003 DPD #3 Reagent

R-0003 (0.75 oz)


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R-0003 is used in the FAS/DPD chlorine test.  After the free chlorine test, this reagent is added to return the mixture to a pink color and to then perform the combined chloramines test. This dropper bottle contains 3/4 (0.75) ounce, enough for approximately 100 tests.