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shakushinnen

over winter chemicals

shakushinnen
9 years ago

Hi,
Last year I had some pucks and granular chlorine left over. This spring I used them when starting up, but wondered if they had lost some of their vigor.
Does anyone know if these chemicals loose 'any', 'some', or a 'a lot' of their effectiveness after spending the winter in a cold pool shed?
Thanks,
......... john

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