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4
votes
1answer
66 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. ...
7
votes
1answer
117 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
158 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
539 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
307 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?
3
votes
1answer
80 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
230 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?
6
votes
1answer
72 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?
5
votes
1answer
143 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
71 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
700 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 ...
9
votes
4answers
944 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
288 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
614 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
286 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
166 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 ...
7
votes
4answers
545 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
137 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
230 views

refilling a percolator on Yom Tov

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

Yarden's River Name

Why is it called ירדן?
4
votes
3answers
131 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
271 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?