| http://www.w3.org/ns/prov#value | - Wiping the shell down with a damp cloth periodically will keep your hot tub looking as nice as the day you bought it.However, to ensure clean, clear water, there are still some basic chemicals, such as chlorine, bromine, baquanine or mineral based purifiers, which you will need to add to the water to kill standing bacteria and other germs.
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