master batching lye

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    How do I use masterbatched ingredients?

    I am very new to soap-making. I more or less follow the cold process but I heat my oils to 160-170F and hold them at temp on an induction range while I mix my lye. I read somewhere that the oils and lye should be within a 10-15F degree range of each other so I mix them at 160-170F, remove it...