Someone asked about copper fouling 1 ▲ Sail Delmarva 87 days ago · Tech · hide They seemed to think that copper oxide or copper oxychloride were somehow different, because. obviously, bronze props foul. These pipes were in the water for a year. The only one with no hard grow (zero) is the plain pipe with no anode. Where did they think the idea of copper sheathing came from? I think they slept through chemistry class. Commenting on Bubbles has been removed. Why? If you want to talk about this post, write to the author, use the comments on their blog if it has them, or reply with a "RE:" post on your own blog. Suggestions? feedback@bubbles.town