Thread: Pressure testing old solar hot water panels
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Old 09-16-12, 10:07 AM   #7
randen
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One last tip I had used muriatic acid to clean the glass. The low iron glass I had received was used and had a film on it that window cleaner wouldn`t touch. The muriatic (hydrochloric acid) work extremly well followed by dish wash soap.

Randen
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