Is it recommended to sprinkle water upon the grave after leveling and filling?

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It is recommended to sprinkle water upon the grave so that its soil adheres and compacts. This is supported by the report from Abu Rafi' that the Messenger of Allah sent someone to Saad to sprinkle water on his grave. Al-Khallal also narrated from Jabir that the Messenger of Allah sprinkled water upon his own grave.