SWCG pool tested FC @ 9 using test kit. Is this even possible?

Hello.

I'm very new to managing a pool and this is my first attempt at using a quality test kit. I'm a bit surprised with the results actually..

I received my clear choice labs test kit and gave it a go today. (Up untill today I have been using my 4in1 twice a week and pool shop fortnightly.)

According to the ccl test kit my results are as follows..

FC 9.0
CC 0.5
PH 7.5
TA 80
CH 350
CYA 40

Now the FC really surprises me for a couple of reasons.

1. When using the 4in1, the bleaching of...

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