To get your numbers where they need to be, you need to shock the pool (see the link to the best guess chart in our sigs) and hold it at shock level til your CC goes to zero and your FC starts to hold.
Janet
Re: Difference between free and total cholorine
To get your numbers where they need to be, you need to shock the pool (see the link to the best guess chart in our sigs) and hold it at shock level til your CC goes to zero and your FC starts to hold.
Janet
Janet
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