ENOfficial
‘Ali said: I asked the Prophet (ﷺ) about prostatic fluid and he replied, “For prostatic fluid ablution is necessary, but for seminal emission washing.” Tirmidhi transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَن عَلِيٍّ قَالَ: سَأَلَتْ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَنْ الْمَذْيِ فَقَالَ: «مِنَ الْمَذْيِ الْوُضُوءُ وَمِنَ الْمَنِيِّ الْغسْل» . رَوَاهُ التِّرْمِذِيّ
sunnah.com