If one was doing his needs, and he urinates and puts out excrements.

As one is putting out excrements, it touches urine, and urine bounces back to one’s body ( to the areas where one puts excrements out from and around it ) does pourring qalil water once suffice for it to become pure?

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Water must be poured twice on urine to purify it. So if urine bounced back on the body, water must be poured on it twice