Shop › Taylor DPD Reagent #2 Dropper Bottle, 2 oz Image 1 of 1 Taylor DPD Reagent #2 Dropper Bottle, 2 oz $7.99 Taylor DPD #2 Reagent - 2 oz Features and Benefits Used to test for chlorine Taylor R-0002-C. Quantity: Add To Cart Added! Taylor DPD #2 Reagent - 2 oz Features and Benefits Used to test for chlorine Taylor R-0002-C.