28
you are viewing a single comment's thread
view the rest of the comments
[-] kometes@lemmy.world 1 points 8 months ago

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

[-] ikidd@lemmy.world 1 points 8 months ago

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

this post was submitted on 03 Jan 2024
28 points (96.7% liked)

Home Improvement

8909 readers
1 users here now

Home Improvement

founded 1 year ago
MODERATORS