After you do the FC test, do not let the solution sit before doing the CC test. The water can go back pink again if you let it sit which will give you a false high CC result. Use teh R0003 and do the CC test immediately after doing the FC.
So, now back to your original post....Congrats!! You have a great grasp of the principles involved and are on your way to a troublefree swim season. Nice work!
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