(1) باب المياه
And Al-Baihaqi reported:
"Water is pure unless any impure thing is added which changes its smell, taste and colour". (DE)
Reference (DE): Bulugh al-Maram 4 (DE)
In-book reference (DE): Book 1, Hadith 4 (DE)
English translation (DE): Book 1, Hadith 4 (DE)