By Barry Stone
Dear Barry,
We're buying a home with a Jacuzzi bathtub, and our home inspector warned us about health hazards resulting from bacteria in the whirlpool plumbing. Is this something that warrants serious concern? If so, what can we do to protect ourselves? -- Alene
Dear Alene,
Infections and illnesses of various types have been linked, in recent years, to the use of hot tubs and whirlpool bathtubs. In some cases, whirlpool-related infections can be complicated because they can involve bacteria which are resistant to known antibiotics. Reported ailments include infections to the skin, eyes, lungs, kidneys, bladder, and reproductive organs. In one instance, an outbreak of Legionnaires' Disease was documented. In response to this new health problem, updated warnings have been released by the Consumer Products Safety Commission in Washington D.C.
The main source of bacterial growth in whirlpool tubs is the residue which accumulates in the piping. These substances include soap film, body secretions, skin, hair, bath oils, and dirt. When these organic substances combine with minerals in the water, they congeal, forming a jelly-like matter, which coats the linings of the water piping and other components of the whirlpool system. The warm, dark environment where this coating accumulates is an ideal location for the growth of infectious micro-organisms. (Hardly a desirable concoction through which to circulate your bath water.)
To eliminate this bacterial culture from your tub, it is recommended that the system be cleaned regularly. Be aware, however, that normal household disinfectants and cleaners such as bleach, detergents, vinegar, or baking soda are not completely effective in removing whirlpool contaminants. Instead, whirlpool manufacturers recommend operating the system for approximately 15 minutes with hot water and a solution of common dishwasher detergent. This has been found to be effective in dislodging contaminants. After draining, the system should be rinsed by operating the system with clear cool water.
There are also various companies which provide professional cleaning of whirlpool systems, using specially formulated cleaners. The bottom line, however, is to be aware of possible health hazards and to clean your whirlpool system or have it cleaned on a regular basis. For further details regarding the proper cleaning and maintenance of your unit, contact the manufacturer.
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