About the Taylor Technologies K-2006 Pool Test Kit, Complete Service Drop Test Kit For Acid Base Demand, Total Akalinity, amp; Calcium HardnessThe Taylor Technologies K-2006 2000 pool test kit comes complete with FASDPD bromine test for acid base demand, total akalinity, and calcium hardness. This drop tester kit is unlike the OT method which will distinguish between free available chlorine and total chlorine for a accurate reading.