Halacha

Oct 29 · 1 of 45

Beis YosefPiece 1 · The Source of Forty Se'ah

The Beis Yosef traces the forty-se'ah mikveh measure to its sources in the Tur and the Gemara.

7 min

Oct 29 · 2 of 45

Shulchan AruchWhat Counts as Tevilah, and How Big a Mikveh Must Be

Shulchan Aruch Yoreh De'ah 201:1 — the basic din of a mikveh: forty se'ah of water that was never drawn.

9 min

Oct 29 · 3 of 45

Beis YosefPiece 2 · Mayim Chayim Only for a Zav

Rain water that was never drawn can still be pasul for a mikveh if it is flowing along the ground.

5 min

Oct 29 · 4 of 45

Shulchan AruchSpring Water, Rain Water and Rivers

Yoreh De'ah 201:2 — rainwater gathered on the ground can make a mikveh; drawn water cannot.

11 min

Oct 29 · 5 of 45

Beis YosefPiece 3 · Does a Spring Need Forty Se'ah?

Does a natural spring need a full forty se'ah before it can purify, or does flowing spring water suffice?

11 min

Oct 29 · 6 of 45

Shulchan AruchMayim She'uvim: Drawn Water in a Mikveh

Yoreh De'ah 201:3 — mayim she'uvim: when drawn water invalidates a mikveh, and how much is too much.

3 min

Oct 29 · 7 of 45

Beis YosefPiece 4 · Bathing Does Not Make Her Tahor

When drawn water mixes into a spring, the Beis Yosef weighs whether the spring's status can save it.

7 min

Oct 29 · 8 of 45

Shulchan AruchYoreh De'ah 201 · Seif 4

Yoreh De'ah 201:4 — can a mikveh be filled partly with drawn water if forty se'ah of kosher water remain?

10 min

Oct 29 · 9 of 45

Beis YosefPiece 5 · Toiveling in Rivers: Rabbeinu Tam

The Beis Yosef clarifies when a collection of rainwater counts as a kosher mikveh of forty se'ah.

12 min

Oct 29 · 10 of 45

Shulchan AruchYoreh De'ah 201 · Seif 5

Yoreh De'ah 201:5 — snow, ice, and hail that melt into a pit: do they count toward a kosher mikveh?

7 min

Oct 29 · 11 of 45

Beis YosefPiece 6 · Rivers in Winter: The Ri

Mayim she'uvim — drawn water — and how the Beis Yosef reads the Tur on when it invalidates a mikveh.

8 min

Oct 29 · 12 of 45

Shulchan AruchNo Mikveh Inside a Kli

Yoreh De'ah 201:6 — muddy water and water mixed with other liquids: when is the mikveh still kosher?

4 min

Oct 29 · 13 of 45

Beis YosefPiece 7 · The Rosh's Conclusion on Rivers

Can vessels and channels turn otherwise kosher water into she'uvim that spoil a mikveh?

20 min

Oct 29 · 14 of 45

Shulchan AruchYoreh De'ah 201 · Seif 7

Yoreh De'ah 201:7 — a spring versus a mikveh: which waters purify even without forty se'ah?

12 min

Oct 29 · 15 of 45

Beis YosefPiece 8 · Gathered and Standing in One Place

The Beis Yosef on water that passed through a kli: when does contact with a vessel make it she'uvim?

5 min

Oct 29 · 16 of 45

Shulchan AruchYoreh De'ah 201 · Seif 8

Yoreh De'ah 201:8 — water that passed through a vessel: why the Mechaber, Shach, and Taz treat it as she'uvim.

9 min

Oct 29 · 17 of 45

Beis YosefPiece 9 · Drawn Water Is Pasul

How tumah and taharah move with water — the Beis Yosef cites Rashi on the path of purification.

5 min

Oct 29 · 18 of 45

Shulchan AruchYoreh De'ah 201 · Seif 9

Yoreh De'ah 201:9 — the Taz brings Rashi: taharah arrives the same way tumah entered the water.

5 min

Oct 29 · 19 of 45

Beis YosefPiece 10 · Flowing Rain Water Is Pasul

A spring emptied into a pool of standing water: is the pool now a spring, or only a mikveh?

6 min

Oct 29 · 20 of 45

Shulchan AruchYoreh De'ah 201 · Seif 10

Yoreh De'ah 201:10 — a spring drawn into a pool of standing water: is the pool a spring or a mikveh?

8 min

Oct 29 · 21 of 45

Beis YosefPiece 11 · Is She'uvim D'Rabbanan or D'Oraisa?

Is drawn water (she'uvim) invalid mid'oraita, or only by rabbinic decree? The Beis Yosef weighs both sides.

12 min

Oct 29 · 22 of 45

Shulchan AruchYoreh De'ah 201 · Seif 11

Yoreh De'ah 201:11 — a little spring water meets a large amount of drawn water: what is the din?

5 min

Oct 29 · 23 of 45

Beis YosefPiece 12 · A Mikveh in a Non-Jew's House

The Beis Yosef on joining waters: when does one body of water lend its status to another?

10 min

Oct 29 · 24 of 45

Shulchan AruchYoreh De'ah 201 · Seif 12

Yoreh De'ah 201:12 — zochalin (flowing water) and how movement changes the status of a mikveh.

9 min

Oct 29 · 25 of 45

Beis YosefPiece 13 · A Spring Purifies While Flowing

Beis Yosef on the Tur — Beis Yosef · Piece 13 · A Spring Purifies While Flowing.

6 min

Oct 29 · 26 of 45

Shulchan AruchYoreh De'ah 201 · Seif 13

Yoreh De'ah 201:13 — connecting two pits so water can hashakah: when does contact kosher the drawn water?

3 min

Oct 29 · 27 of 45

Beis YosefPiece 14 · Seas Have the Din of a Spring

Beis Yosef on the Tur — Beis Yosef · Piece 14 · Seas Have the Din of a Spring — clear animation with the classic.

9 min

Oct 29 · 28 of 45

Shulchan AruchYoreh De'ah 201 · Seif 14

Yoreh De'ah 201:14 — bor al gabei bor and other layered pits: how the upper and lower waters interact.

4 min

Oct 29 · 29 of 45

Beis YosefPiece 15 · A Wave Torn From the Sea

Beis Yosef on the Tur — Beis Yosef · Piece 15 · A Wave Torn From the Sea — clear animation with the classic sources.

5 min

Oct 29 · 30 of 45

Shulchan AruchYoreh De'ah 201 · Seif 15

Yoreh De'ah 201:15 — hashakah through a hole: how large must the opening be to join the waters?

23 min

Oct 29 · 31 of 45

Beis YosefPiece 16 · Throwing Keilim Into a Wave

Beis Yosef on the Tur — Beis Yosef · Piece 16 · Throwing Keilim Into a Wave — clear animation with the classic.

10 min

Oct 29 · 32 of 45

Shulchan AruchYoreh De'ah 201 · Seif 16

Yoreh De'ah 201:16 — when drawn water falls into a kosher mikveh, does it spoil the whole pool?

4 min

Oct 29 · 33 of 45

Beis YosefPiece 17 · No Tevilah Inside a Kli

Beis Yosef on the Tur — Beis Yosef · Piece 17 · No Tevilah Inside a Kli — clear animation with the classic sources.

23 min

Oct 29 · 34 of 45

Shulchan AruchYoreh De'ah 201 · Seif 17

Yoreh De'ah 201:17 — measuring forty se'ah: the size of the se'ah and how we reckon the volume.

3 min

Oct 29 · 35 of 45

Beis YosefPiece 18 · A Hole the Size of a Flask Spout

Beis Yosef on the Tur — Beis Yosef · Piece 18 · A Hole the Size of a Flask Spout.

22 min

Oct 29 · 36 of 45

Shulchan AruchYoreh De'ah 201 · Seif 18

Yoreh De'ah 201:18 — Mechaber, Shach, and Taz on a classic mikveh case, side by side with a short quiz.

4 min

Oct 29 · 37 of 45

Beis YosefPiece 19 · A Spring Flowing Through a Kli

Beis Yosef on the Tur — Beis Yosef · Piece 19 · A Spring Flowing Through a Kli — clear animation with the classic.

30 min

Oct 29 · 38 of 45

Shulchan AruchYoreh De'ah 201 · Seif 19

Yoreh De'ah 201:19 — Shulchan Aruch compares two cases of water joining; Shach and Taz sharpen the chilluk.

3 min

Oct 29 · 39 of 45

Beis YosefPiece 20 · A Kli Inside a Kli

Beis Yosef on the Tur — Beis Yosef · Piece 20 · A Kli Inside a Kli — clear animation with the classic sources side.

10 min

Oct 29 · 40 of 45

Shulchan AruchYoreh De'ah 201 · Seif 20

Yoreh De'ah 201:20 — a longer seif: Mechaber, Shach, and Taz on how drawn water can (or cannot) be saved.

10 min

Oct 29 · 41 of 45

Shulchan AruchYoreh De'ah 201 · Seif 21

Yoreh De'ah 201:21 — Mechaber and Rema, with Shach and Taz, on a practical mikveh construction question.

6 min

Oct 29 · 42 of 45

Shulchan AruchYoreh De'ah 201 · Seif 22

Yoreh De'ah 201:22 — Mechaber, Rema, Shach, and Taz on another fine point of mayim she'uvim and hashakah.

7 min

Oct 29 · 43 of 45

Shulchan AruchYoreh De'ah 201 · Seif 23

Yoreh De'ah 201:23 — a compact seif: Mechaber and Rema, then Shach and Taz, on connecting mikveh waters.

5 min

Oct 29 · 44 of 45

Shulchan AruchYoreh De'ah 201 · Seif 24

Yoreh De'ah 201:24 — Mechaber and Rema on a mikveh detail, with Shach and Taz lined up side by side.

5 min

Oct 29 · 45 of 45

Shulchan AruchYoreh De'ah 201 · Seif 25

Yoreh De'ah 201:25 — Mechaber, Rema, Shach, and Taz close out siman 201 with a final mikveh din.

6 min

Beis YosefPiece 1 · The Source of Forty Se'ah

The Beis Yosef traces the forty-se'ah mikveh measure to its sources in the Tur and the Gemara.

7 min

Beis YosefPiece 2 · Mayim Chayim Only for a Zav

Rain water that was never drawn can still be pasul for a mikveh if it is flowing along the ground.

5 min

Beis YosefPiece 3 · Does a Spring Need Forty Se'ah?

Does a natural spring need a full forty se'ah before it can purify, or does flowing spring water suffice?

11 min

Shulchan AruchWhat Counts as Tevilah, and How Big a Mikveh Must Be

Shulchan Aruch Yoreh De'ah 201:1 — the basic din of a mikveh: forty se'ah of water that was never drawn.

9 min

Shulchan AruchSpring Water, Rain Water and Rivers

Yoreh De'ah 201:2 — rainwater gathered on the ground can make a mikveh; drawn water cannot.

11 min

Shulchan AruchMayim She'uvim: Drawn Water in a Mikveh

Yoreh De'ah 201:3 — mayim she'uvim: when drawn water invalidates a mikveh, and how much is too much.

3 min