moreyes, welcome to the forum!!:
As for the 'ignorance', how would you learn if you didn't ask?![]()
A DPD test kit will allow you to detect the CC, for better results a 'FAS-DPD' kit will give more easily read results and allow you to test all forms of chlorine up to 20 - 50 ppm. You can go to www.troublefreepool.com to get an excellent test kit, which is ~the same as the kit everyone here uses.
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