What is the main topic of Bulugh al-Maram Hadith 63?

Bulugh al-Maram Hadith 63 is from chapter "The Book of Purification". Summary: a similar Hadith transmitted by at-Tirmidhi

Bulugh al-Maram: Hadith 63

1. The Book of Purification

1/1 Chapter:

باب المياه

Bulugh al-Maram

وَلِلتِّرْمِذِيِّ: عَنْ أَبِي ذَرٍّ نَحْوُهُ, وَصَحَّحَه ُ (160)‏ .‏

Narrated Abu Dharr (RAA):

a similar Hadith transmitted by at-Tirmidhi

Reference: Bulugh al-Maram 132
In-book : Book 1, Hadith 161
English translation : Book 1, Hadith 143