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Biur Chametz

The Daily Halacha Moment - Biur Chametz 🔥

״כל השונה הלכות בכל יום - מובטח לו שהוא בן העולם הבא״ (נידה עג ע״א, מגילה כח:)

“Anyone who studies Halachot every day is guaranteed that he is destined for the world-to-come” (Megilla 28b, Niddah 73a)


What is Biur Chametz?


The requirement of biur chametz is for the chametz to be destroyed. This may be accomplished in a number of ways: by burning the chametz, crumbling it and releasing it into the wind, or casting it into a body of water, [1] which may also be accomplished by either pouring it down a sink drain or flushing it down the toilet. [2] Nevertheless, the custom is to burn the chametz since some poskim maintain that the mitzvah can only be fulfilled through burning. [3]

The chametz should be burned any time before the end of the fifth hour. [4]

One should preferably burn at least a kezayit of chametz. Therefore, it is recommended to leave over a kezayit from before for biur chametz. [5]

After the chametz has been burned, one should recite bittul chametz again. One should wait until the chametz is completely burned, since one immediately loses ownership when reciting it. [6]

It's good to note, If one has a lot of chametz and it is difficult to burn all of it, he may not discard it in the garbage bin on his property. Rather, he should

discard the chametz in a public garbage bin. [7]


[1]. Shulchan Aruch 445:1

[2]. Mishnah Berurah §5. However, Yaskil Avdi, vol. 8, 20:10 states that one should preferably not do so since it is degrading.

[3]. Rama 445:1.

[4]. Ibid. This is the proper time for the mitzvah. However, the _Mishnah Berurah_ §6 adds that if one found chametz after the fifth hour, one must also burn it even though it should have been burned already.

[5]. Mishnah Berurah §10; Ohr LeTzion, vol. 3, 7:22

[6]. Rama 434:2.

[7]. Chazon Ovadia, Pesach §1, p. 65. See also Minchat Yitzchak, vol. 4, 56:1; Halichot Shlomo, Pesach, p. 195; and Kinyan Torah BaHalachah 2:86.

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