| 摘要 |
A system and method for maintaining adequate sanitizing of a spa or whirlpool, particularly those having volumes of about 200 to about 40 0 gallons of water, utilizes an electrolytic generator to provide sufficient chlorine or bromine during periods of low-to-no use. During periods of peak use, a buffered oxidizer is added to the spa water, either before use or immediatel y after use or both, to assist in removing organics and setting a pH in the sp a which is conducive to maintaining adequate levels of active free chlorine or bromine to handle the increased organic load.
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