بُلُوغُ الْمَرَامِ
Bulugh al-Maram 793
Business Transactions
وَعَنْ جَابِرِ بْنِ عَبْدِ اَللَّهِ -رَضِيَ اَللَّهُ عَنْهُمَا- قَالَ: { نَهَى اَلنَّبِيُّ - صلى الله عليه وسلم -عَنْ بَيْعِ فَضْلِ اَلْمَاءِ } رَوَاهُ مُسْلِمٌ [1] .
Narrated Jabir bin 'Abdullah (RA): Allah's Messenger (ﷺ) prohibited the sale of excess water. [Reported by Muslim].
Sunnah.com reference: Book 7, Hadith 15