Hugh H. wrote:
Sounds pretty cool. So you're controlling the water quality of the spa with temperature, but what about the swimming pool? How long can you leave the spa for without heating it up, before it gets nasty? Would using a cover to exclude light completely when not in use be helpful in this regard.
Everyone is a villain in someone else's story. Especially this devious tiny ad:
Abundance on Dry Land, documentary, streaminghttps://permies.com/t/143525/videos/Abundance-Dry-Land-documentary-streaming