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