Want all the perks of a hot tub without the cost or hassle? Try the Coleman Saluspa inflatable hot tub for soothing, bubbly ...

Cold seeps can provide homes to toxic waters like brine pools ... A larger brine pool was dubbed the "Hot Tub of Despair," referring to its warm temperature (19°C) and high salt content ...

A valve diverter then directs the heated water through the jets. Water pumps power the hot tub jets. Like car motors, spa pump motors have horsepower, which describes how much power the motor can ...

SEE ALSO: Pool floats ... Hot Tub — $448 (list price $478) Leah Stodart is a Philadelphia-based Senior Shopping Reporter at Mashable where she covers essential home tech like vacuums and TVs ...