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2007-03-04 09:19:07 · 2 answers · asked by Anonymous in Health Dental

2 answers

THEY PREVENT BACTERIA FROM REPLICATING AND KILL THE ONES THAT ARE PRESENT ALREADY. ALTHOUGH IT CANNOT KILL 100% OF THE BACTERIAL

2007-03-07 16:52:55 · answer #1 · answered by LX 7 · 0 0

They kill bacteria in the water

2007-03-06 14:40:31 · answer #2 · answered by ma 7 · 0 1

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