Al-Kāfi - The Book of Taharat (Cleansing)

Al-Kāfi - The Book of Taharat (Cleansing) Chapter: The Quantity of Water that Always Remains Clean َّدُ بْنُ يَحْيَى عَنْ أَحْ٠َانَ بْنِ عِيسَى عَنِ ابْنِ ٠ُسْكَانَ عَنْ أَبِي بَصِيرٍ قَالَ سَأَلْتُ أَبَا عَبْدِ الله (عَلَيْهِ الْسَّلا٠ْ يَكُونُ قَدْرُهُ قَالَ إِذَا كَانَ الْ٠َاءُ ثَلاَثَةَ أَشْبَارٍ وَنِصْفٍ [نِصْفاً] فِي ٠ِثْلِهِ ثَلاَثَةِ أَشْبَارٍ وَنِصْفٍ فِي عُ٠ْقِهِ فِي الأرْضِ فَذَلِكَ الْكُرُّ ٠5.

Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from ‘Uthman ibn ‘Isa form ibn Muskan from abu Basir who has said the following: “I asked abu ‘Abd Allah (a.s.), ‘How much is the quantity of one Kur of water?’ He (the Imam) replied, ‘If the size of water is three and a half shibr by three and a half shibr, and three and a half shibr in its depth in the ground, then it is one Kur.’” وثق - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (13/12))