Tanning Hides - Purdue Extension

After you remove the skin, you must neutralize the acid. Start by rinsing the skin thoroughly in running water. Place 3 gallons of water in another container and add 1/4 pound of baking soda. Stir well and add the skin. Expect the solution to foam. Stir twice daily, adding 1/4 pound more baking soda on the second and again on the third day. ................
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