What is it
A special paint applied to the bottom of a boat, usually made of cuprous oxide (or other copper compounds).
What’s its purpose
To slow the growth of sub aquatic organisms that attach to the hull and which can affect a boat’s performance and durability.
This article gives advice on frequency, how to choose the best type of paint, the tools you’ll need, what you’ll need to be wearing (it’s a messy job!!) and how to go about it.
Copper isn’t great for the environment so some countries are threatening to ban the use of copper in antifouling by 2020. What happens then?