2PCS Diameter 10mm 99.9% Pure Copper Round Rod Solid Copper Rod Bare Copper Cu Metal Rod for Metal DIY Craft Hobbies Length 100mm

I bought these to help with algae growth in my chicken waterers. They are solid and larger than I expected. They must be pure copper because they are definitely helping tremendously with the algae growth.

quality and size as they should be

Put these in a 10 gallon bucket of water, and it has helped with keeping the water cleaner.

Perfect size. Good quality

Seems ok for what I need. I work in press die tooling and sometimes you need to hit something with a 10mm diameter copper rod. It has a good weight to it which is about right for copper.

Good quality, feels heavy(Pause)

copper rods Functionality: just what I need

Just what was needed and as advertised.