Water; Its Purity and Impurity
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 2
وَقَالَ عَلَيْهِ اَلسَّلاَمُ: «إِنَّهَا مِنْ فَيْحِ جَهَنَّمَ.»
Imam Jafar ibn Muhammad Al-Sadiq عليه السلام said: ""Indeed, it (hot water) is from the heat of Hell."
- Ṣaḥīḥ al-Faqīh