Narrated Anas: The Prophet used to take a bath with one Sa` up to five Mudds (1 Sa` = [??] Mudds) of water and used to perform ablution with one Mudd of water.
Hadith Referenceصحيح البخاري / كتاب الوضوء / 201
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة