(Being asked as a theoretical question. Obviously everyone should ask their LOR.) There is a water filter (or purifier) that works in the following way: The water flows into a part where there is ...
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 ...
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 ...
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 ...
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 ...
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 ...