Sayyiduna Abu Umamah al-Bahili (may Allah be pleased with him) narrates from Sayyiduna Mu'adh bin Jabal (may Allah be pleased with him) that he used to help the Messenger of Allah (peace and blessings be upon him) perform ablution from a vessel that had been patched with copper, and he used to give him water to drink from it.
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 17231