SoySaucePrinterInk@sh.itjust.works to Home Improvement@lemmy.world · 11 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 · 11 months agomessage-square8fedilink
minus-squareikidd@lemmy.worldlinkfedilinkEnglisharrow-up1·11 months agoIt’ll pick up some copper oxidation on brass fittings.
It’ll pick up some copper oxidation on brass fittings.