Hello from a color blind scrapper who can't tell brass from copper

Originally Posted by Patriot76

Another source for non plumbing items on the forum is the spark test. Using a grinder, you can identify all types of metals based on their spark patterns. Wish I could post a direct link, but my knowledge level does not match the technology others on the forum enjoy. Good luck.

This is a good tip, but Cu and brass don't spark. This is why sparkless hammers and tools are brass.

Eric