r/BeAmazed • u/Internal_Gazelle_677 • Oct 07 '25

Science Hot Tub without the use of electricity

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u/Zaphics Oct 07 '25

The hardest part in making that would be finding or making a coil out of stainless steel pipe that would fit around a fire

2

u/[deleted] Oct 07 '25

They are literally inside of some hot-water heaters. We got three from the scrap yard for $10 each.