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Comment by helsinkiandrew

6 hours ago

There’s a saying in Finland that foreign "saunas" are not true saunas at all, but rather just "untypically warm rooms".

The experiments where at 73°C which is a lot hotter than most gym/hotel/spa saunas I’ve been in outside Finland

As an Estonian, anything below 80°C is considered a "kids sauna". 80°C - 90°C is a cold-but-workable sauna and proper sauna starts from 90+°C. I'd assume it's the same in Finland as we share a lot of the sauna culture.

  • This would be same in Germany and eastern european countries too. But it really depend on humidity. High humidity saunas don't have to be hot and get tough pretty quicky. 100c dry sauna is lot more manageable than 60c humid sauna (atleast to me).

    • Indeed, humidity matters a lot. Most our saunas here are löyly (in Finnish) saunas, so you get a rollercoaster of dry - humid - dry cycles. Once you get to 100+c and throw a good amount of water on the stones, it can get quite challenging to endure :)

      Everybody has their personal preference of course. For me, the sweet spot seems to be a moderately humid sauna at 93c. At that point, the löyly is not too harsh yet but is still hot enough to make you feel alive :)

    • My steam room (at home) at 116F/47C is close to the upper limit of bearable for me. But that's a lot more humidity than even a humid sauna.

Also while 73°C is a proper sauna, there are plenty of hotter ones. 90°C is closer to what I'm used to at my apartment building's common sauna. I do take two breaks when I'm there for 30 mims though.

  • What percent humidity? That is just as important as temperature for understanding how tolerable a particular sauna is.

73° hot?

Here in mainland Europe, a "classic fin sauna" is usually at least 90°++

  • Would those be "dry saunas" or proper ones where you're allowed to throw water on the rocks? Adding humidity ('löyly') is kinda the point, and 73°C might be just fine for a small sauna, giving you a nice punchy löyly.

    • > hrow water on the rocks?

      Depends on the location! Very often, at public locations there is a "saua master" taking care, in smaller locations I have seen people handling this on their own.

      And in one location there was a sign: "no private watering due to electrical issues"

      1 reply →

    • Yes every sauna I have ever been to in Europe (spas, various gyms) have electric heater with stones on top. Infra saunas are only for cheapest installs at home and usually dont generate enough heat.

      Also, 80° celzius minimum for proper saunas, I have been to >100 celzius ones and its a struggle to remain for 15 mins inside.

      Another point - I consider the after-part most crucial for health benefits to me - as-cold-as-possible long shower or even better a similar dip pool. Few days after that my cold resistance is significantly higher. Just the heating of body in sauna I can reach also ie with cardio workout or free weights, which brings tons of other benefits.

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Anything beyond 90 C is not a sauna :) Better to have 90+ and hot steam as in Russian sauna (banya) :)

you can sous vide beef and pork at a lower temperature than that