Its not bad, people do this all the time; they go from hot sauna into cold water. Also rugby players use this treatment as a part of there physiotherapy
Hot tub covers can indeed prevent your hot tub from being damaged. they prevent leaves from falling into your hot tub, which can clog up various pipes and whatnot in your hot tub. Also, anything else...
A hot tub is a small pool of hot water, usually bubbling.
WIKIPEDIA states...
A hot tub is a large home-made or manufactured tub or small pool full of heated water and used for soaking,...
Because someone has connected the hot water line to the cold service. They are reversed.
Answer.
I'm not a plumber, so I don't know if the first answer is correct or not. However, our landlord...