Acidic glycol in solar thermal. [RE-wrenches]
Paul Wilkins
inkings at swcp.com
Tue May 30 00:22:39 PDT 2006
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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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