وَنَبِّئْهُمْ أَنَّ الْمَاءَ قِسْمَةٌ بَيْنَهُمْ ۖ كُلُّ شِرْبٍ مُحْتَضَرٌ 28
And inform them that the water is shared between them, each [day of] drink attended [by turn].