SoySaucePrinterInk@sh.itjust.works to Home Improvement@lemmy.world · 2 years agoWhat is this on my apartment hydronic baseboard heater?sh.itjust.worksimagemessage-square9linkfedilinkarrow-up130arrow-down11
arrow-up129arrow-down1imageWhat is this on my apartment hydronic baseboard heater?sh.itjust.worksSoySaucePrinterInk@sh.itjust.works to Home Improvement@lemmy.world · 2 years agomessage-square9linkfedilink
minus-squareikidd@lemmy.worldlinkfedilinkEnglisharrow-up1·2 years agoIt’ll pick up some copper oxidation on brass fittings.
It’ll pick up some copper oxidation on brass fittings.