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3
votes
1answer
115 views

Hagalas kelim in “tzir”

When one wants to make celim (vessels) Kosher by purging non-Kosher absorbed tastes from it, one method is hagaleh, which normally is done with water. The Rema says in SA OC Siman 452:5 that b'dieved ...
1
vote
1answer
121 views

What Bracha do we say on bread baked with evaporated mei peiros?

If one bakes bread made out of flour and pure fruit juice, it becomes pas haba bekisnin and the bracha is (at times) mezonos. What if one distilled fruit juice (to produce water) and baked bread out ...
15
votes
1answer
532 views

Can I make a mikvah using artificial rain?

If I have a mikva which needs filling, and there is no rain, can I use the following mechanism - I have a Mikva in a closed room. On top of this Mikva, there is a cooling system (let's say that this ...
6
votes
1answer
214 views

May the prayer leader drink water (to lubricate his voice) during the weekday prayers?

I have seen the person leading the prayers taking a drink of water (to lubricate his voice) during the weekday prayers. Assuming he made a blessing (for the water, as usual before eating or drinking ...
13
votes
2answers
521 views

Cooking water on Shabas renders the pot non-kosher?

The halacha (SA OC 318) generally is that if someone cooks food b'mezid (on purpose) on Shabas then he may not eat it, not even after Shabas. Magen Avraham adds that the pot in which the food was ...
4
votes
1answer
147 views

Excess water after Netillath Yadayim

Is excess water after Netillath Yadayim usable for other purposes? For example, you wash for bread, and you leave water in the cup - can someone use that water, or do they need to empty and refill ...
8
votes
3answers
211 views

Why can't Moshe hit the water?

As a kid I learned that Moshe wasn't allowed to hit the water because it saved him when he was a child and he had to show hakaras hatov (similar answer for why he couldn't hit the sand that saved him ...
4
votes
1answer
121 views

Feeding a dependent plant on shabbos

Suppose someone keeps a plant that must be watered daily in order for it to survive. May that person water the plant on Shabbat? Note that this is definitely allowed and even required for pet animals ...
6
votes
1answer
225 views

Drinking from a drinking fountain throughout the day

This question deals with someone who has a cup of a drink and carries it around all day long, possibly refilling it, etc. I am wondering, for someone who drinks from a drinking fountain every time he ...
4
votes
1answer
187 views

What b'rachot do you say (and when) if you drink intermittently all day?

I know people who drink water, tea, or coffee intermittently all day long, not just as part of a meal. In that situation, when would you say what b'rachot? Assume you made shehakol before the first ...
7
votes
4answers
671 views

What is the meaning of tehom?

Throughout the Tanach, and I've seen it in Midrashim as well, there is a concept of the "Tehom", translated as "Deep Waters". It appears in the creation story in Bereishis, and in the song at Yam Suf. ...
4
votes
1answer
503 views

Hot water tap at work

Many offices have a water dispenser (with hot water spout) or a hot water tap next to a sink. Is this hot tap Kosher? Assume for a moment that someone uses the tap to dispense hot water into a cup of ...
6
votes
1answer
175 views

May one “use the facilities” outdoors on shabbat?

May one urinate on the lawn on shabbat, or is that forbidden the same way that watering it is forbidden? What about defecation? Feces may or may not contain nutrients that are beneficial to the soil ...
4
votes
1answer
75 views

Where do matza bakers find flour that's definitely never gotten wet?

Matzah sold as Shmurah means that Jews were present from the time of harvesting, making sure that the grain stayed dry and didn't become chametz, and intending for the purpose of the mitzva of matzah. ...
8
votes
1answer
131 views

Can steam make one Fleishigs?

If I go and lean my head over a pot on the stove, open my mouth wide, allow the steam that's rising to enter my mouth, and then swallow it (don't try this at home), does that give me a status of being ...
4
votes
2answers
169 views

Mayim Acharonim with a cup?

(Asked because it seems to have been neglected from the answers to this question.) Is one required to wash Mayim Acharonim from of a cup (or vessel that is kosher for Mayim Rishonim)? Must one use ...
13
votes
5answers
573 views

Why doesn't Tefilat Geshem have a verse referring to Miriam?

The "Tefilat Geshem" ("Prayer for Rain") recited on Shemini 'Atzeret contains six verses. Each verse refers to a different person (except the last, which refers to a nation) and makes various ...
10
votes
2answers
340 views

Kosherizing Water using Distillation

Suppose I have water that was cooked with non-kosher food. I then take the water and distill it. Would this water be considered permissible to drink?
4
votes
1answer
87 views

Archeological finds related to King Hezekiah's closing a wellspring under Jerusalem?

The Gemara says that King Hezekiah (Chizkiyahu) closed one of the springs of water in (under?) Jerusalem, so the Assyrian army wouldn't be able to use it. Do we have any guesses what exactly that ...
14
votes
1answer
268 views

Rainbow in water spray

You can often see a rainbow in a spray of water such as from sprinkler irrigation. Is the brocha for a rainbow applicable in that case? Also, does a rainbow that comes from a prism get a brocha too?
4
votes
2answers
567 views

Coffee Urns on Shabbos

I've heard that there is a dispute among halachic decisors if one is allowed to use an urn like the one shown below on Shabbos because the outside water tube gets cold over Shabbos but then gets ...
6
votes
1answer
77 views

Water from hydroelectric plant for netilat yadayim?

The Shulchan Aruch OC 160:2 rules that water with which one has done "melachah," is disqualified from netilat yadayim. Does this include water which has flowed downstream from a hydroelectric plant?
6
votes
1answer
152 views

Is runoff water from a drinking fountain a problem of Bal Tashhith?

There are so many potential questions raised with respect to runoff water, so I'll just stick with one: When I was a kid I was taught to let the water of a drinking fountain run for 10 seconds before ...
3
votes
1answer
77 views

Why is moisture a chatzizah for netilas yadayim?

Why is moisture a chatzizah for netilas yadayim? I guess you can say that the hands must be completely clean, but then why don't you have to wipe your hands in middle? For example, one who washes his ...
10
votes
2answers
814 views

Why is it ok to use tap water/toilets on Shabbos? Considering the source of the water pressure

Why is it ok to use tap water/toilets on Shabbos? Considering the source of the water pressure. The water pressure that enables the water to flow out of the tap has to come from somewhere. It is ...
10
votes
4answers
1k views

How do I avoid thirst when fasting?

I started fasting on Yom Kippur as an adult, about 10 years ago. A couple times I had to drink a glass of water either after Kol Nidre or before Shacharit, because I felt completely dehydrated (I did ...
9
votes
1answer
305 views

Does Drinking Seltzer == Drinking Water?

Inspired by this revision of this answer: There are various minhag implications with regards to drinking water. Seltzer is essentially carbonated water. So how do those minhagim apply to seltzer? ...
11
votes
2answers
713 views

Taking a Shower after the Mikvah

Is there any problem with taking a shower after dipping in the Mikvah? I once heard there was.
7
votes
2answers
307 views

Drinking Water During “Shalosh Seudos”

Someone told me that one is not allowed to drink plain water during the third meal of Shabbos (Seudah Shelishit). (or at least that there is a minhag not to). Is this true? And if so, what is the ...
16
votes
2answers
174 views

Hagalah in Denver?

In high-altitude cities, water boils at a lower temperature than the standard 212 degrees Farenheit. For example, in Denver the boiling point is about 203 degrees. Can one kasher utensils with hagalah ...
8
votes
4answers
647 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
2answers
1k views

Where can I find the current water level of the Kineret to see the effect of mentioning Morid Hageshem?

Throughout the winter we pray Mashiv HaRuach UMorid HaGeshem. My understanding is that it is said for Eretz Yisroel dwellers (unlike V'sain Tal Umatar LBracha which is said for your locale). As we ...
4
votes
2answers
142 views

Did the Jews in Egypt gain monetary benefit from the miracle of the first plague?

There is a well known Medrash Rabbah that the Jews during the Plague of Blood sold water to the Egyptians for exorbitant amounts of money. The question is how was this allowed as we have a rule that ...
3
votes
1answer
274 views

refilling a percolator on Yom Tov

Are you allowed to refill a percolator or hot water urn on Yom Tov?
2
votes
2answers
175 views

Yarden's River Name

Why is it called ירדן?
4
votes
3answers
137 views

Hitting of the rock (Chukas): why twice?

Why did Moshe hit the rock twice rather than once in Bamidbar 20:11?
11
votes
3answers
282 views

Dew distinct from water among the shiva mashkim

The seven mashkim are blood, water, milk, honey, wine, oil, and dew. What is the difference between water and dew? Isn't dew a type of water?