Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:78:25 –

Except scalding water and ˹foul˺ purulence -  

except boiling water, of extreme temperatures, and pus (read ghasāqan or ghassāqan, which is the vile matter that is emitted by the ˹bodies of the˺ inhabitants of the Fire), which is what they will ˹indeed˺ taste. They are given this pair ˹of tortures˺,
القرآن:٧٨:٢٥ –

إِلَّا حَمِيمًا وَغَسَّاقًا  

{إلا} لكن {حميما} ماءً حارا غاية الحرارة {وغسَّاقا} بالتخفيف والتشديد ما يسيل من صديد أهل النار فإنهم يذوقونه جوزوا بذلك.