How long should you wait after using Cal Hypo to bring your chlorine level up to a normal level ..in other words not shocking the pool but merely adding a few ppm to bring it up to say 4ppm ..dissolved in a pail and poured in?
Immediately I would say. It's just chlorine and calcium. You might wait an hour for everything to get stirred around, sweeping will help, but I see no reason to wait.
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