I'm having trouble with testing my pool for chlorine with Taylor k 2006 test kit. I follow the instruction on the test kit but The CC test indicates there is no CC. I first test for FC and I get a FC test result of 5.4. I then do step #5 add 5 drops of R-0003. I do that and it shows no CC. I'm I suppose to use the FC water sample or am I suppose to get a new water sample? After I did this test, I took a sample to the store and everything was good, but my PH was high. The test kit is new. I got it a couple of weeks ago.
Store test result shows: