SoySaucePrinterInk@sh.itjust.works to Home Improvement@lemmy.world · 1 year agoWhat is this on my apartment hydronic baseboard heater?sh.itjust.worksimagemessage-square9fedilinkarrow-up130
arrow-up130imageWhat is this on my apartment hydronic baseboard heater?sh.itjust.worksSoySaucePrinterInk@sh.itjust.works to Home Improvement@lemmy.world · 1 year agomessage-square9fedilink
minus-squareikidd@lemmy.worldlinkfedilinkEnglisharrow-up1·1 year agoIt’ll pick up some copper oxidation on brass fittings.
It’ll pick up some copper oxidation on brass fittings.