Is there anything halachically wrong with entering a hot tub on Shabbat inherently? Not for hygiene just leisure purposes, and not adjusting the temperature, just entering it?

  • I'm not sure I follow the word "inherently", even with your examples. Does it mean d'oraita?
    – Rabbi Kaii
    Commented Oct 12, 2023 at 20:50
  • yeshiva.co/midrash/20959
    – Shmuel
    Commented Oct 12, 2023 at 20:56

1 Answer 1


Our Sages prohibited bathing one’s entire body – or the majority of it – in hot water1 [on Shabbos], whether the hot water was in a container or [collected] in the ground,2 even if [the water] was warmed on Friday.3 [This prohibition was instituted as a safeguard] because of bathhouse attendants who would heat [water] on Shabbos and say that they heated it on Friday.4 True, Jews are not suspected of willfully desecrating the Shabbos.5Nevertheless, [the attendants] would [build a fire by] placing wood under [vats of] cold water while it was still day [on Friday], just before nightfall, and [the wood] would burn the entire Shabbos, heating up the water above it. [Doing so] is forbidden because [of our Sages’] decree: lest one forget and stir the coals after nightfall.6 Therefore, [our Sages] prohibited any person from bathing with hot water even outside a bathhouse cared for by an attendant. [It is] even [forbidden] to pour [hot] water over one’s body to rinse oneself,1 even though this is not the manner in which one bathes in a bathhouse, for in a [bathhouse] one submerges his body and limbs into the water, [and in this instance, one is pouring the water over his body


Based on the reason provided the distinction of being for leisure vs hygiene would not matter. On the other hand for tevilla in a mikvah going into hot water would be permitted. See this link for a discussion of being for a mitzvah... https://outorah.org/p/60560/

  • Can you wash your hands with hot water from the sink? Commented Oct 13, 2023 at 0:19
  • @CuriousYid see the link I mentioned in the comment-section: [...] According to this approach, all three Tanna’im permit pouring cold water over oneself on Shabbos, if one did not first warm himself.
    – Shmuel
    Commented Oct 13, 2023 at 11:22
  • @CuriousYid no as water from a sink would involve heating up water on shabbos which is an av melacha and prohibited on a Torah level
    – Dude
    Commented Oct 15, 2023 at 13:27

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