LOG-Wert von Wasserfiltern

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Opis:
In den technischen Beschreibungen vieler Wasserfilter und anderer Wasseraufbereitungsgeräte ist ein LOG-Wert angegeben, der die Effektivität eines solchen Gerätes angibt. Doch was bedeutet dieser LOG-Wert und wie viel LOG-Wert braucht man wirklich?