ثم قال أيده الله تعالى( ولا بأس بسؤر الهرة فانها غير نجسة). يدل على ذلك.
The Shaykh (Al-Mufid), may Allah سبحانه وتعالى support him, then said: "There is no harm in the leftover water (su’r) of a cat, as it is not impure." This is supported by evidence.
