Reference for Chullin 216:3

לעולם קסבר רב אפשר לסוחטו אסור ושאני התם דאמר קרא

as nebelah?<span class="x" onmousemove="('comment',' So that when it mixes with the rest of the milk we have here a mixture of homogeneous liquids which, according to Rab can never neutralize each other.');">²</span>

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