6
User’s Guide
B. Since excessive water temperatures have a high potential for causing
fetal damage during the early months of pregnancy, pregnant or possible
pregnant women should limit spa or hot water temperatures to 100°F
(38°C).
C. Before entering a spa or hot tub, the user should measure the water
temperature with an accurate thermometer, since the tolerance of water
temperature-regulating devices varies.
D.
WARNING:
Th e use of alcohol or drugs can greatly increase the risk of fatal
hyperthermia in hot tubs and spas.
E.
Hyperthermia Warning!
Th e causes, symptoms, and eff ects of hyperthermia may be described as
follows. Hyperthermia occurs when the internal temperature of the body
reaches a level several degrees above the normal body temperature of 98.6ºF
(37ºC). Th e symptoms of hyperthermia include drowsiness, lethargy, and an
increase in the internal temperature of the body. Th e eff ects of hyperthermia
include:
(1) Unawareness of impending hazard;
(2) Failure to perceive heat;
(3) Failure to recognize the need to exit spa;
(4) Physical inability to exit spa;
(5) Fetal damage in pregnant women; and
(6) Unconsciousness and danger of drowning.
F. Persons suff ering from obesity or with a medical history of heart disease,
low or high blood pressure, circulatory system problems, or diabetes should
consult a physician before using a spa or hot tub.
G. Persons using medication should consult a physician before using a hot tub
since some medication may aff ect heart rate, blood pressure, and circulation.
H. Water chemistry should be properly maintained as described in this manual
to prevent skin irritation.
