How long can I use the same water?
A wood-fired hot tub is traditionally emptied of water and cleaned after every use for hygienic reasons. This is in line with EU recommendations for hot tubs with no filtration system (EN-17125).
However, many customers use the same bathing water for a few days by applying certain best practices i.e. taking a quick shower beforehand and keeping a lid or cover on the hot tub in-between sessions. Adding some chlorine or similar antibacterial can extend the use of the bathing water a few days more.
Alternatively, the Skargards filtration system allows you to keep the same bathing water for multiple weeks.