SoySaucePrinterInk@sh.itjust.works to Home Improvement@lemmy.world · 9 months agoWhat is this on my apartment hydronic baseboard heater?sh.itjust.worksimagemessage-square8fedilinkarrow-up129arrow-down11
arrow-up128arrow-down1imageWhat is this on my apartment hydronic baseboard heater?sh.itjust.worksSoySaucePrinterInk@sh.itjust.works to Home Improvement@lemmy.world · 9 months agomessage-square8fedilink
minus-squarekometes@lemmy.worldlinkfedilinkEnglisharrow-up1·9 months agoCopper carbonate – it is greenish. The white stuff in the front is paint, I think.
Copper carbonate – it is greenish. The white stuff in the front is paint, I think.