1 October 2012, 15:15
They don't go off as such but they obsorb things up to a capacity then they stop working or flush the contaminants back. Leave it in the original pack.
Skean Dhude
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It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change. - Charles Darwin
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It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change. - Charles Darwin