Seidlitz powders

Seid·litz powders

noun pl \ˈsed-ləts-\

Definition of SEIDLITZ POWDERS

: effervescing salts that consist of two separate powders with one made up of 40 grains of sodium bicarbonate mixed with 2 drams of Rochelle salt and the other of 35 grains of tartaric acid and that are mixed in water and drunk while effervescing as a mild cathartic