For the purpose of making a hot tub, any style can suffice. The process of insulating will need to be adjusted if you go with a ridge free tub. To heat the water, we used a wood-fired thermosyphon ...

The frothy jets? The chance to wear your holiday swimsuit ... There’s not only a wood-fired hot tub — backed by leafy palms — but a sun-trap relaxation deck, five-berth barrel sauna and ...