PEX Leach?

 
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Old 10-18-2007, 10:39 PM   #1
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PEX Leach?


Soon to be doing a rough in on a new single family home. Wifee is against pex because of possibility of plastic leaching into water. Our main is pex like piping and has the NSF PW label but wife is insistant on going with copper off the main. Should we be concerned about unsafe drinking water if we go with pex? Anyone tested water through pex for contamination?
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Old 10-18-2007, 11:10 PM   #2
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Re: PEX Leach?


PEX is tested at higher standards than copper. Consider this: if the ph balance goes off a bit, you're drinking leached copper. Have a read here.

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Old 10-19-2007, 12:14 AM   #3
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Re: PEX Leach?


Consider this: Are you more concerned about living with leached copper, leached pex or an unhappy wife?


Do what she wants!

PS. I love Pex.
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Old 10-19-2007, 10:25 AM   #4
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Re: PEX Leach?


I clicked on this thread hoping it was about sub-surface drip leach fields.

Oh well,
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Old 10-19-2007, 12:10 PM   #5
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Re: PEX Leach?


Just a heads up.....it may be different in your area. I talked with a water engineer in my area (Charlotte, NC) about water quality this summer. His response was:

"Currently water supplied by CMU is slightly
corrosive with a LSI of about -1.0 - -1.1. At this time our average pH is
8.5, calcium levels are 9.0 mg/L, alkalinity levels are about 20 mg/L,
and the temperature is about 68F. This is typical, with the
exception of temperature, during the warm weather months (April - September).
In the cooler weather months we adjust treatment so that the LSI is
in the balanced to slightly positive range. This allows us to better
maintain water quality within our distribution system. I hope this
information will be useful to you. If you have further questions about
water supplied by Charlotte Mecklenburg Utilities please feel free to


contact me. Thank you."


May be something to look into if it's a big problem....at least see where they keep your water in terms of the LSI.


LSI is Langliers Saturation Index: it's a formula so you know when the water is acidic, scale forming or balanced.

Last edited by BigJon3475; 10-19-2007 at 12:14 PM.
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