Acidic glycol in solar thermal. [RE-wrenches]

[Kurt Nelson]

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And isn't it true that if the fluid went south that soon that it might
be due to the system seeing too high of operating or stagnation temps?

Kurt

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Kurt Nelson
PO Box 309
Cornucopia, WI 54827
715-742-3406
sunwise at cheqnet.net


-----Original Message-----
From: Paul Wilkins [mailto:inkings at swcp.com] 
Sent: Tuesday, May 30, 2006 2:23 AM
To: RE-wrenches at topica.com
Subject: Re: Acidic glycol in solar thermal. [RE-wrenches]

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Drain it and refill?

Carl Emerson, Free Power Ltd. wrote:

>Hi there,
>
>If after a few years the mono-propylene glycol starts to become acidic
in a
>closed loop solar thermal system, what remedy is used to increase the
pH,
>any suggestions ??
>
>Thanks,
>
>Carl Emerson
>Free Power Ltd.
>Auckland NZ
>
>
>
>  
>


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