High Free Chlorine…17ppm

Welcome to TFP! This is a great site to help you.

However, it’s easier when we know how you got FC 17ppm? How do you test your pool water?

As asked above how do your chlorinate the pool? You have to help us help you.
 
Welcome to TFP! :wave:

How are you chlorinating your pool? SWG, liquid chlorine, 3" tabs?
What test kit are you using?

Post a full set of test results from one of the recommended test kits.
Test Kits Compared

FC
CC
pH
TA
CH
CYA
Salt (if using a SWG)
Water temperature

Have a read thru Pool Care Basics
 
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