Read Hadith and know yourselves by hadith
Bismillahir Rahamaanir Raheem
Narrated Anas (R) : The Prophet used to take a bath with one saor up to five Muddus of water and used to perform ablution with one Mudd of water .
Narrated Abdullah Bin ‘Umar (R) : Sa’d Bin Abi waqqas said , “The Prophet passed wet hands over his khuffs . ” Abdullah Bin ‘Umar asked Umar about it . ‘ Umar replied in the affirmative and added , “whenever Sa’d narrates a hadith from the Prophet there is no need to ask anyone else about it .”