Excess acidity has been neutralized in some milks by the use of sodium bicarbonate or sodium carbonate, e.g. in the former Czechoslovakia for Olomouc cheese.

the drain was free

[I]n Italy one ſeldom ſees a River that is extreamly bright and limpid, moſt of 'em falling dovvn from the Mountains, that make their VVaters very troubled and muddy, […]

One frequent annotater of Library of Congress photographs of New York City on Flickr goes by the name Epicharmus.