It is narrated from Sayyiduna Jabir (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: For ablution, one mudd of water is sufficient and for bathing, one sa’ of water is enough. A man said: It is not enough for me. Sayyiduna Jabir (may Allah be pleased with him) said: This amount was sufficient for the one who was better than you, and his hair was more than mine, meaning the Prophet (peace and blessings be upon him).
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 14976
Hadith Gradingحکم دارالسلام:حديث صحيح، وهذا إسناد ضعيف لضعف على بن عاصم الواسطي، ولضعف يزيد بن أبى زياد، لكنهما قد توبعا