Patina, or the greenish colour that appears on copper pipes, happens from oxidation. Oxidation is common on copper when it is exposed to water and air over time. While this oxidized layer is not harmful, it does cause the copper to become corroded.

What is the green stuff on my boiler pipes?

it is excess flux left on pipework after soldering. Hot soapy water will remove it, or wire wool if it is very old, be careful as if left too long it can corrode through the pipes causing leaks.

Do green copper pipes need to be replaced?





While this oxidized layer is not harmful, it does cause the copper to become corroded. This green color (patina) is known as copper oxide and is basically a rusting of the metal.” You shall consult with a plumber to address the root problem and replacement.

Is the green stuff on copper poisonous?

However, copper oxidation produces harmful effects in copper cookware. When the copper cooking surface comes into contact with acidic food (i.e. vinegar, wine), it produces a toxic verdigris, which is poisonous if ingested.

Should I worry about green copper pipes?

Patina, or the greenish colour that appears on copper pipes, happens from oxidation. Oxidation is common on copper when it is exposed to water and air over time. While this oxidized layer is not harmful, it does cause the copper to become corroded.

Does green on copper pipes mean leak?

Green – Green or greenish colors on the outside of your copper water pipes means that you have water leaks in your copper piping and possible corrosion. The latter is especially true if the water itself is staining other items, like clothing, sinks, and fixtures.

How do you get rid of green corrosion on copper?





Mix 1/4 cup salt, 1/4 cup flour and enough vinegar to make a thick paste. Use a soft cloth to rub the paste on the surface of the copper. Buff the copper item until it shines. Rinse with warm water and dry thoroughly.

What is the green on copper?

patina

The green colour is simply the natural shade of the patina that forms over the copper surface; the patina protects the copper from deterioration and creates a light bluish-green facade which can be seen on many copper rooftops and copper structures.