If anyone dislikes having to use bottles (or at least very specific bottles since there's a bunch of different types of bottle), you can edit the mod in FO4Edit, worked perfectly for me.
How is this more realistic? You dont need charcoal or cloth to boil water, you just need water and heat. The whole reason it takes 3 dirt water to make one purified is to simulate the loss in evaporation because the water is being purified through boiling.
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