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Common hot tub and spa questionsThe term Hot Tub originally referred to the wooden, barrel-shaped
tubs, which became popular in the late 1960s. Early hot tubs were fairly
simple devices, which basically held hot water and had enough room for
one or two bathers at a time. When the industry began building tubs of
molded fiberglass or with thermoplastic shells, they were given the tag
"spa" to differentiate them from their wooden cousins. |
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