Taylor K-1515 DPD test kit is what you'll need for very accurate free and combined chlorine testing. We use this kit to test for very high chlorine levels when a pool has been over shocked and we need to know the chlorine level prior to neutralizing.
Taylor R-0003A DPD drops
Taylor R-0870-1 DPD Powder
Taylor R-0871-A FAS DPD Powder
Taylor K-2005 Test Kit includes 9 different tests, everything you'll need to know what's going on with your water. It's the kit that all our cleaners and technicians use in the field.
Taylor R-0001 DPD #1 reagent
Taylor R-0002 DPD #2 reagent
Taylor R-0003 DPD #3 rReagent
Taylor R-0004 pH indicator reagent
Taylor R-0005 acid demand reagent
Taylor R-0004 base demand reagent
Taylor R-0007 thiosulfate reagent
Taylor R-0008 total alkalinity reagent
Taylor R-0004 sulfuric acid reagent
Taylor R-0010 calcium buffer reagent
Taylor R-0011L calcium indicator reagent
Taylor R-0012 hardness reagent
Taylor R-0013 cyanuric acid reagent
For a quick "snapshot" of how your pool is doing, use test strips when you don't have time for more extensive testing.