Originally Posted by CarlD So, if your FC is 0, or even .5, you'll add chlorine to raise it to 15, which will be adding 15 But if your FC is 6, you only want to add 9ppm of chlorine to raise it to 15. Carl Uhhh ---- isn't that what I said above??
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I just wanted it to be clear for ArmyTiger that it depended on the starting point. I was just a little less terse/cryptic! Carl
Carl
Watermom . . . I understood Thanks to both of you for your explanations.
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