"The Prophet ﷺ said: 'A girl's urine should be washed away and a boy's urine should be sprinkled with water.'" (Using translation from Nasāʾī 304)  

قَالَ النَّبِيُّ ﷺ «يُغْسَلُ مِنْ بَوْلِ الْجَارِيَةِ وَيُرَشُّ مِنْ بَوْلِ الْغُلَامِ»