Potash
（重定向自Pearl ash）
![Crystals of potash with a coin for reference. The coin (a US penny) is 19 mm (0.75 in) in diameter and copper in color.](/Images/godic/202502/01/PotashUSGOV3626.jpg")
![The first U.S. patent was issued for an improvement](/Images/godic/202502/01/FirstUSpatent3626.jpg")
![Potash evaporation ponds near Moab, Utah](/Images/godic/202502/01/Potash_evaporation_ponds_near_Moab,_UT,_May_20133626.jpg")
Potash /ˈpɒtæʃ/ is any of various mined and manufactured salts that contain potassium in water-soluble form. The name derives from pot ash, which refers to plant ashes soaked in water in a pot, the primary means of manufacturing the product before the industrial era. The word potassium is derived from potash.