| http://www.w3.org/ns/prov#value | - Your spa is equipped with a specially designed Aqua Klean?? filter system.Filtering the water helps maintain water cleanliness and clarity.While the filter traps most solid materials, it is still necessary to add a sanitizer such as bromine or chlorine to the water in order to control bacteria, algae, and to oxidize any organic materials in the water.
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