Al-Kāfi

Hadith 82
wudu
8ـ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ وَمُحَمَّدُ بْنُ إِسْمَاعِيلَ عَنِ الْفَضْلِ بْنِ شَاذَانَ جَمِيعاً عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ جَمِيلٍ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) قَالَ إِذَا انْقَطَعَتْ دِرَّةُ الْبَوْلِ فَصُبَّ الْمَاءَ.
8. Ali ibn Ibrahim has narrated from his father and Muhammad ibn ’Isma‘il from al-Fadl ibn Shadhan all from Ibn Abi ‘Umayr from Jamil who has said the following: “Abu ’Abd Allah (a.s.), has said that when the gushing out of urine stops, you can pour water to wash it clean.”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī