[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [APD] Copper
Why not use CPVC?
> -----Original Message-----
> From: aquatic-plants-bounces at actwin_com
> [mailto:aquatic-plants-bounces at actwin_com] On Behalf Of Jerry Baker
> Sent: Wednesday, September 07, 2005 3:31 PM
> To: aquatic plants digest
> Subject: Re: [APD] Copper
> Liz Wilhite wrote:
> > PEX has been used in Europe for 40 years. I'll let the
> European list
> > members weigh in on their genitalia or those of their sons
> if they choose.
> > Copper toxicity is a well documented problem and I never was much
> > concerned about it, either.
> Copper, although toxic in large doses, is a naturally
> occurring element that our biological processes have been
> exposed to from day one. In other words, we have evolved to
> cope with exposure to copper. Not only do we cope with it,
> but we require it in small quantities.
> Polyethylene, on the other hand, is a polymer artificially
> made from petroleum. It leaches into liquids that are stored
> in it. PEX, in particular, leaches MTBE and benzene. Perhaps
> it is perfectly safe to drink, but perhaps not. I think
> metals are the prudent choice, but that's just a personal choice.
> Jerry Baker
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com