Many American cities use chloramine, which requires something like Sodium thiosulfate, but then you're left with Ammonia, which may or may not be desired.
The ammonia will gas off if you let it sit after adding. I used to use Camden tablets (sodium metabisulfate) to treat chloramine water (Philadelphia) for brewing beer.
Beer yeast will make chloramine / chlorine water taste like plastic! Learned the hard way. :)
Many American cities use chloramine, which requires something like Sodium thiosulfate, but then you're left with Ammonia, which may or may not be desired.
The ammonia will gas off if you let it sit after adding. I used to use Camden tablets (sodium metabisulfate) to treat chloramine water (Philadelphia) for brewing beer.
Beer yeast will make chloramine / chlorine water taste like plastic! Learned the hard way. :)