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|    soc.culture.polish    |    Yeah but Polish food gives you the shits    |    128,236 messages    |
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|    Message 127,645 of 128,236    |
|    King Gervasio.Bartolome to All    |
|    =?UTF-8?Q?Re:_Jaka_wod=C4=99_pijesz,_tak    |
|    16 Jul 25 19:36:28    |
      XPost: pl.pregierz, pl.soc.polityka, alt.pl.zbluzgaj       XPost: pl.sci.medycyna, pl.sci.inzynieria       From: user3254@newsgrouper.org.invalid              Water hardness and health              The Drinking Water Directive and the UK drinking water quality regulations do       not specify standards for hardness, calcium or magnesium. The World Health       Organisation Guidelines 2017 identified that water with a hardness of value of       200 mg/l or higher (       measured as CaCO3 calcium carbonate) will produce scale and soft water with a       value of 100 mg/l (as CaCO3 calcium carbonate) or less will be more corrosive       to pipework.              Where water companies artificially soften water before putting it into supply,       it is recommended that they maintain a minimum total hardness of 150 mg/l (as       CaCO3 calcium carbonate). This is because there is some limited evidence of a       relationship        between water hardness and cardiovascular health which may be related to the       beneficial properties of magnesium and calcium in the diet.                            King Gervasio.Bartolome |
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