Certified Lye - Using Lye to Make Soap
For example, to make just over 2 pounds of olive oil soap, measure 32 ounces of olive oil and 4.33 ounces of lye because 32 ounces of olive oil × 0.1353, which is the saponification value for olive oil, = 4.33 ounces of lye. Next, to calculate the correct amount of water: 4.33 ounces of lye ÷ 0.3 = 14.43, which will be the total weight of the ...