aylor Technologies Alkalinity Reagent #9 (2oz) (R-0009-C) Replacement reagent for Taylor Test Kits 2 oz bottle of Alkalinity Reagent #9 The R-0009-C is the third step in Alkalinity testing. Used with the following Taylor Test Kits and Reagents: Test Kits: K-1004 K-2005 Reagents: R-0008-C R-0009-C