What is the status of water stored in a cistern (susterna) that is built below and around with a roof?
Synopsis
Water stored in an underground cistern with roof covering does not require overnight standing for kneading, as the structure prevents heating from sun passing below ground.
More in Matzah Baking Procedures
Must water intended for kneading matzah be left standing overnight, and what sources may be used?
3 opinions
Is it permitted to knead with hot or warm water?
3 opinions
What is the status of water that is not left overnight but becomes diluted in a 1:2 ratio with proper overnight water?
1 opinions
Is salt permitted in matzah?
2 opinions
Is kneading matzah with seasonings permitted?
2 opinions
Related from other topics
What is the obligation status of a garment that is open on the sides below but closed above, based on whether its majority is open or closed?
How to Tie Tzitzit
What is the status of cloth-wrapping as legitimate nettilat yadayim (hand-washing) when water is unavailable?
Who Must Wash
What is the status of raisin-soaked water — is it wine or fruit juice?
Blessings on Fruits
Once valid walls are erected around a balcony over water, may one also pour waste water through the drawing hole into the water below?
Rooftops and Enclosures as Domains
May one use a toilet on Shabbat that is built over water, given that waste falls directly from the reshut hayachid into the karmelit?
Rooftops and Enclosures as Domains
Does the suspended-wall leniency apply when the water below is less than ten tefachim deep?
Rooftops and Enclosures as Domains
Discussion
Discussion coming soon.
The Daily Law
One question. Every opinion. Every morning.
A new halakhic question and the full spectrum of rabbinic thought, delivered daily.