Which is better, istinja’ or istijmaar?

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Urinating in the bathtub
Should he use his left hand or part of it when cleaning himself after relieving oneself?

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Related Answers:
Ruling on entering the bathroom with a Mus-haf or tape of Qur’aan
He was not sure whether his garment had become impure (najis) after urinating
Ruling on eating and drinking in the bathroom
Urinating in the bathtub
Should he use his left hand or part of it when cleaning himself after relieving oneself?

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