this post was submitted on 03 Jan 2024
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What is this on my apartment hydronic baseboard heater? (sh.itjust.works)
submitted 11 months ago by [email protected] to c/homeimprovement
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[โ€“] kometes 1 points 11 months ago (1 children)

Copper carbonate -- it is greenish. The white stuff in the front is paint, I think.

[โ€“] ikidd 1 points 11 months ago

It'll pick up some copper oxidation on brass fittings.