No. If you get no pink color with two scoops of powder, then you have no chlorine in the pool. No need to add more powder -- will just waste it.
No. If you get no pink color with two scoops of powder, then you have no chlorine in the pool. No need to add more powder -- will just waste it.
If the chlorine level was very high, then you'd see a flash of pink when adding the scoops of powder, even if after two scoops it went clear. I've never determined exactly how much FC wipes out each scoop of powder, but I'm guessing that to have it stay clear with 2 scoops it would probably have to be quite high such as 40 or more ppm, though that's just a guess.
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