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No, it is fairly inert, so should not cause any damage.
Propylene glycol for heating and cooling systems is often available with additives to increase corrosion resistance, biocide for killing mould and bacteria growths and descaler for removing calcium carbonate deposits.
See galxc.co.uk/glycol-water-treatments for some of the different types available commercially.
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Where can you get nitric acid?
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Describe a zone in a hydronic heating system?
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