Reference for Zevachim 192:17

הניחא למ"ד מריקה ושטיפה בצונן אלא למ"ד מריקה בחמין ושטיפה בצונן מאי איכא למימר שטיפה יתירתא:

, - There is the additional rinsing.<span class="x" onmousemove="('comment',' Which ordinary hag'alah does not require.');">³³</span> <big><b>MISHNAH: </b></big>R'TARFON SAID: IF ONE BOILED [FLESH IN A POT] AT THE BEGINNING OF A FESTIVAL, HE CAN BOIL THEREIN DURING THE WHOLE FESTIVAL;<span class="x" onmousemove="('comment',' It need not be scoured and rinsed until the end of the festival.');">³⁴</span> BUT THE SAGES MAINTAIN: UNTIL THE TIME OF EATING, SCOURING AND RINSING.<span class="x" onmousemove="('comment',' The Gemara explains the meaning of this.');">³⁵</span>

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