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Did you Know That You Should Also Winterize Your Pool? Here Are the 9 Tasks You'll Need to Do
5. Apply chlorine shock or a non-chlorine oxidizer Chlorine obviously helps to keep a pool free of contaminants, however levels drop and it needs topping up regularly. Applying chlorine shock is ...
BBC7y
Drinking water had three times higher chlorine levels than pool
"While the levels of chlorine recorded in customers' taps were higher than normal, they did not reach levels that were likely to cause adverse health effects." The water firm added that affected ...