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Questions tagged [keilim]

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6
votes
2answers
54 views

Can air-dried earthenware become tamei?

According to mishna Keilim 4:4, earthenware is not susceptible to tumah until it has been baked in an oven. ‮כלי חרס מאימתיי מקבלין טומאה? משייצרפו בכבשן, והיא גמר מלאכתן. When does ...
2
votes
1answer
142 views

Can a Jew use a knife that belongs to a non-Jew?

I know there's a whole thing about a Jew being allowed to use the kli of a non-Jew without tevilah, but I don't know the extent of that allowance. I was part of a conversation on facebook where ...
2
votes
1answer
125 views

What size was the Mizrak to catch blood in the Beis Ha'Mikdash?

The Gemorah .זבחים כה says that the Cohen receiving the blood of a korbon must catch all the blood. That is the Dam HaNefesh - the blood flowing out of the neck. Assuming the average cow has around ...
1
vote
2answers
260 views

Tevila for a plastic kettle?

Does a kettle 1, whose body made of plastic, need tevila? (Do we consider the body, or the metallic resistor?) 1 A very classic electrical kettle, ie a jug with a warming resistor immersed into the ...
0
votes
1answer
181 views

Do I need to toivel Britta water pitcher?

Does a Britta water filtering pitcher need toiveling?
1
vote
1answer
411 views

Status of porcelain plates

What is the status of porcelain dishes that have not been used for over a year? Can one change their designation from one (meat) to the other (dairy) or vice versa?
1
vote
0answers
53 views

If the whole vessel's volume counts in 1/60, why don't we wait?

Although this is a really basic quesiton, the topic is way beyond my education, so please excuse the lack of sources, background knowledge and proper terms, and please help me improve. I understand ...
3
votes
2answers
78 views

Is a paper Keili susceptible to tumah?

The mishnah in Keilim 2:5 states that חביות ניירות can receive Tumah. According to the RASH it is referring to "paper barrels". Would this have any ramifications to today's "paper" cups as far as ...
2
votes
1answer
65 views

Koshering the celim that milchig bread was baked in

In Shulchan Aruch Yoreh Deah Siman 97 it says that it's ossur to bake "milchig bread" -- lest you come to eat it with meat (although if it's made in a small amount or with a change in it's look from ...
3
votes
1answer
1k views

Ashkenazim drinking from the glass in non-kosher restaurants

Everyone I know does this, including the strictest. That is, if ordering a cold drink at a non-kosher restaurant or bar, they will have it in the glass the institution provides, not ask for it in a ...
3
votes
1answer
234 views

Why would a disposable plastic containers need a hechsher?

Why would a disposable plastic container, such as the one depicted above, need an O-U?
1
vote
1answer
243 views

Is an item (i.e., scissors) not muktzeh if it's usable for a destructive purpose on Shabbos?

Many are makpid to make a hole in a re-closeable bottle before opening it for the first time on Shabbat. The purpose is to avoid makeh b'patish from making a new vessel when one opens the bottle. ...
2
votes
0answers
27 views

Davar charifs and chometz

"Davar charif" is a term in kashrus which refers, as I understand it, to sharp or caustic foods which may absorb flavor from a knife used to cut them, rendering them, say, fleishig if the knife is ...
2
votes
1answer
306 views

Rules about Handles on the Vessel for Netilas Yadayim

I am wondering about the vessel used in hand washing, I see the ones with two handles online and in shul etc is it ok to use 'any' vessel to wash the hands or does it have to be one with two handles? ...
5
votes
3answers
2k views

Using the SodaStream on Passover

Generally speaking, the contemporary practice is to be very machmir when it comes to Pesach, above and beyond the letter of any law. I'm curious to know if there have been any relevant rulings or ...
5
votes
0answers
61 views

Containers and wine

Is there any outer container (a frame or box, perhaps) into which an open bottle of non-mevushal wine can be placed that will shield the bottle in such a way that, if a non-Jew (or heretic) casually ...
15
votes
1answer
1k views

Creating a crowd-sourced database of non-dairy OU-D products

Several questions/answers on this site have pointed out that the OU-D hechsher does not always mean that the product is actually dairy. (But that it is, in reality, "OU-DE" [dairy equipment]. See here ...
10
votes
1answer
115 views

How do we determine whether a dish is clean?

There are situations in which the question arises in halacha (specifically, the laws of kashrus) whether a piece of flatware or a dish is clean — by which I mean whether it lacks any remnant of ...
4
votes
1answer
159 views

Do I need to kasher the grill I used to kasher my liver?

I was looking at meat at the local butcher-shop and noticed that the packaged liver (un-kashered) mentioned that it could be cooked on a grill. However, I have always heard that liver needs its own ...
5
votes
0answers
141 views

Blessing on Immersing Vessels to Purify Them

A Mikvah can be used to purify humans or certain vessels which have contracted ritual impurity (Rambam Mikvaot 1 (English)). When humans use the Mikvah to purify themselves they recite a blessing (...