When you add the Polyquat, let it circulate for 24 - 48 hours. Whatever your chlorine level (FC) was, it will drop to or near zero--that's what happens when you add a lot of Polyquat. Then you add chlorine again to get FC back up. That's all.
Re: Winterizing BBB method
When you add the Polyquat, let it circulate for 24 - 48 hours. Whatever your chlorine level (FC) was, it will drop to or near zero--that's what happens when you add a lot of Polyquat. Then you add chlorine again to get FC back up. That's all.
Carl
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