Did you know?
Salt pans were once sealed with ox blood and liver
To stop iron salt pans leaking at their rivets, 16th-century salt makers smeared them with a paste of ox liver, ox blood and ashes. The fireplaces under the pans were built from rock salt and clay.
Read the full story: How Salt Was Made
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For school projects and reports. Teachers often prefer the original sources too: see the list below.
The Salt Almanac. (2026, November 8). Salt pans were once sealed with ox blood and liver. https://saltalmanac.com/did-you-know/salt-pans-sealed-with-ox-blood
“Salt pans were once sealed with ox blood and liver.” The Salt Almanac, 8 Nov. 2026, saltalmanac.com/did-you-know/salt-pans-sealed-with-ox-blood. Accessed [today's date].
“Salt pans were once sealed with ox blood and liver.” The Salt Almanac. Last modified November 8, 2026. https://saltalmanac.com/did-you-know/salt-pans-sealed-with-ox-blood.
Original sources
- Agricola, G. De Re Metallica, Book 12. Hoover trans., 1912. https://archive.org/details/georgiusagricola00agririch