2
votes
0answers
62 views

Chometz less than the size of a Kezayis

ב"ה I've heard when cleaning for Pesach that chometz that is less than the size of a kezayis isn't significant enough to be considered chometz. I am talking only concerning chometz which one isn't ...
2
votes
0answers
42 views

Can you buy juice before Pesach without a Pesach certification? [duplicate]

The Kitzur Shulchan Aruch, 117:1, says that before Pesach, Chametz is batel b'shishim. So for example, a bottle of 100% apple juice, even if it hasn't been certified that you can know 100% sure that ...
8
votes
1answer
101 views

What's the Shiur of Mashehu?

Certain issurim (forbidden things) can become batel (halachically nullified) if they were unintentionally mixed in heter (permitted things). In order for this to happen, the heter must outnumber the ...
4
votes
2answers
223 views

How can we just make our chametz ownerless?

I'm trying to understand the "legal fiction" wherein we declare any chometz we have as ownerless like the dust of the earth. Is this halachically acceptable? How can a person declare something in his ...
7
votes
4answers
533 views

tap water on Pesach

The New Croton Reservoir supplies much of New York City's tap water, and people are allowed to — and do — go out on boats and fish. I'd venture a guess that almost every Saturday and Sunday, a piece ...
4
votes
1answer
342 views

If chametz is batel before Pesach

If chametz can be batel before Pesach, why don't we buy (before Pesach) any commercially produced product with year-round (i.e., not Pesach-specific) kosher certification which does not list chametz ...