Al-Kāfi

Hadith 365
menstruationghusl
2ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ أَبِي نَصْرٍ عَنْ مُثَنًّى الْحَنَّاطِ عَنْ حَسَنٍ الصَّيْقَلِ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ الْسَّلام) قَالَ الطَّامِثُ تَغْتَسِلُ بِتِسْعَةِ أَرْطَالٍ مِنْ مَاءٍ.
2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn abu Nasr from Muthanna’ al-Hannat from Hasan al-Sayqal who has said the following: “Abu ‘Abd Allah (a.s.), has said, ‘A woman for her Ghusl (bath) due to Hayd (menses) must use nine Artal of water.” (One Ritl is about 449.28gms).
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī