About the Taylor Technologies DPD Reagent
LPM Part #:
DPD solution gives an accurate free chlorine reading unlike standard OTO test kits, that provide only total chlorine. Testing with DPD requires addition of 5 drops of BOTH DPD Reagent #1 and DPD Reagent #2 to obtain the color to measure free chlorine.
Taylor Technologies DPD Reagent Specifications
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