صحیح ابن حبان
Ibn Hibban
كتاب الطهارة
Book of Purification
باب قدر ماء الغسل - ذكر البيان بأن القدر الذي وصفناه للاغتسال من الجنابة ليس بقدر لا يجوز تعديه فيما هو أقل أو أكثر منه
Chapter on Amount of Water for Ghusl – Clarification that the described amount for ghusl from major impurity is not a fixed limit
1 hadith
Hadith 1203
Sayyiduna Anas (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) used to perform ablution with a "makook" and would perform ghusl with five "makook" (of water). The narrator Abu Khayr Sama states: By "makook" is meant "mudd".