Al-Kāfi

Hadith 85
aqiqahchildrenziyarat
وَ فِي رِوَايَةٍ أُخْرَى حَنِّكُوا أَوْلَادَكُمْ بِمَاءِ الْفُرَاتِ وَ بِتُرْبَةِ قَبْرِ الْحُسَيْنِ ( عليه السلام ) فَإِنْ لَمْ يَكُنْ فَبِمَاءِ السَّمَاءِ .
4. In another Hadith it is said: ‘You should drop water from the Euphrates and soil from the grave of al-Husayn (a.s.) in the mouth of your children, and if it is not possible, then water from the sky (rain).’
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī