Just wanted to ask :If there is no water available or there is an issue with water, how can Ghusl be performed

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In this situation instead of ghusl you may do tayammum

Just wanted to ask : If there is no water available or there is an issue with water, how can Ghusl be performed

by

In this case, do tayyamum and start praying. Once you get water, you make Ghusl but you don’t pay back the prayers.