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16
votes
2answers
165 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 ...
15
votes
1answer
489 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 ...
14
votes
1answer
225 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?
13
votes
5answers
536 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 ...
13
votes
2answers
444 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 ...
11
votes
3answers
270 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?
11
votes
2answers
608 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.
10
votes
2answers
656 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
2answers
304 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?
9
votes
3answers
171 views

Drowning ants in the sink on Shabbat

If there are ants (or other creepy-crawlies) in a sink on Shabbat, what is permitted to do with them when using the sink? Here are some things i can think of: Intentionally avoid pouring water on ...
9
votes
1answer
286 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? ...
8
votes
3answers
926 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 ...
8
votes
2answers
796 views

After the first plague, where did Paro's magicians get water to turn to blood?

Sh'mot chapter 7 describes the first plague, with the Nile and all other water turning to blood (except the Israelites' water). Paro's magicians then turn water into blood, which convinces Paro that ...
8
votes
3answers
193 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 ...
7
votes
4answers
542 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 ...
7
votes
2answers
280 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 ...
7
votes
1answer
85 views

bracha when snorkeling/diving underwater and seeing a strange animal

There is a bracha said when seeing strange animals (presumably on land and/or in the air). If you are under water and see a wondrous sea creature, do you 'think' the bracha, or mouth it, or do you ...
7
votes
1answer
116 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 ...
6
votes
2answers
184 views

May I drink water while wearing tefillin?

If I am wearing Tefilin, and I feel very thirsty, should I take off my Tefllin to drink, (if I am even allowed to interrupt) or am I allowed to drink water while wearing Tefilin?
6
votes
1answer
200 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 ...
6
votes
4answers
508 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. ...
6
votes
1answer
149 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 ...
6
votes
1answer
74 views

Should I make a bracha rishonah and acharonah on 1 ice cube?

1 ice cube is not a "m'lo lugmo" (majority of one's mouth), and it is also not the "norm" to eat ice cubes. Some people do this, anyway. For those that do, does it require a bracha? Does it matter if ...
6
votes
1answer
85 views

How does one do Hagalah above 12,000 feet?

How does one do Hagalah above 12,000 feet, where water's boiling point falls below 190°F? Under normal circumstances, the water will not be Rochsim, and therefore unsuitable for Hagalah. Using a ...
6
votes
1answer
69 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
3answers
185 views

Covering containers of water

In the Talmud (Chulin 10a), Chazal taught that one should not drink water, wine or milk from containers that were left uncovered because a snake and its venom might have gotten into the drink and it ...
5
votes
2answers
445 views

Drinking Water after Eating Fish

Is anyone familiar with the practice of not drinking water after eating fish? I know that something has to be used to clean your mouth before eating meat, but somehow I got the idea in my head that ...
5
votes
1answer
33 views

Licking fingers for Mayim Acharonim?

Since saliva is one of the seven "liquids" (a subcategory of water, cf. Machshirin 6:5), would licking or sucking on one's own fingers fulfill the obligation of Mayim Acharonim?
5
votes
1answer
199 views

Saying Asher Yatzar if there is no water available

Suppose after using the facilities there is no water available, should one say Asher Yatzar without washing their hands?
5
votes
2answers
150 views

Can you use carbonated water for washing?

Inspired by this question but I believe different because its not related to drinking. Can you use carbonated, and even flavored clear water (seltzer) to do things that require water such as washing ...
5
votes
1answer
136 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 ...
5
votes
1answer
69 views

Is the blessing after food determined by the blessing before it?

Someone takes a cup containing just the amount of wine for which he must make a blessing after drinking it. He then dilutes the wine with water such that the blessing is no longer “borei pri ...
5
votes
1answer
191 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
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
155 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 ...
4
votes
2answers
144 views

Should you say a blessing on diet soda used to swallow a pill?

The halacha is that you should only say a bracha on water if you're thirsty. All the seforim I've read agree on the following: if you're not thirsty, but you drink water in order to swallow a pill, ...
4
votes
1answer
112 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 ...
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 ...
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?
4
votes
3answers
131 views

Bottle of water for shaloch manos

Can water be counted as a drink for shalach manos ("sending portions" on Purim) or since it is mere water does it never count as a mana ("portion")? My question would apply to soda as well because ...
4
votes
1answer
65 views

Why did the waters of the flood have to cover the mountain 15 amos?

The posuk in Bereishis 7,20 says that the waters rose above the mountains 15 amos. But why was this so? It's understandable why the mountains had to be covered with water, but why did the waters have ...
4
votes
1answer
163 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 ...
4
votes
1answer
33 views

Can one wet the lulav-towel on yom tov?

Some people wrap the bottom of the lulav (with the hadasim and aravot) with a moist towel, rag, or paper towel to keep the hadasim and aravot looking good. Is this allowed to be done on yom tov? If ...
4
votes
3answers
69 views

Why did God say יִקָּווּ הַמַּיִם, it should happen by itself naturally

In Bereishis 1:9 it says וַיֹּאמֶר אֱלֹהִים יִקָּווּ הַמַּיִם מִתַּחַת הַשָּׁמַיִם אֶל מָקוֹם אֶחָד וְתֵרָאֶה הַיַּבָּשָׁה , And God said, "Let the water that is beneath the heavens gather into one ...
4
votes
1answer
136 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 ...
4
votes
1answer
409 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 ...
4
votes
1answer
65 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. ...
3
votes
1answer
58 views

What is the significance of “mayim nukvin” according to chassidus

What is the spiritual significance of "Mayim Nukvin" (feminine waters) according to Chassidus? I have seen it plenty of times in Tanya and various Maamarim, but I never really understood the concept.
3
votes
1answer
70 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 ...
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 ...