<Tr> <Td> </Td> <Td> This article may be too technical for most readers to understand . Please help improve it to make it understandable to non-experts, without removing the technical details . The talk page may contain suggestions . (September 2015) (Learn how and when to remove this template message) </Td> </Tr> <Dl> <Dd> Not to be confused with Calgon Carbon </Dd> </Dl> <Dd> Not to be confused with Calgon Carbon </Dd> <Table> Calgon <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Product type </Th> <Td> Water softener </Td> </Tr> <Tr> <Th> Owner </Th> <Td> Reckitt Benckiser </Td> </Tr> <Tr> <Th> Country </Th> <Td> United States </Td> </Tr> <Tr> <Th> Introduced </Th> <Td> 1933 </Td> </Tr> <Tr> <Th> Previous owners </Th> <Td> Calgon, Inc . Merck & Co . </Td> </Tr> <Tr> <Th> Tagline </Th> <Td> Washing machines live longer with Calgon . </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.calgon.com </Td> </Tr> </Table>

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