Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 3 months ago

Provided that the Najis item (e.g. blood, urine etc) is no more existing in the washing basin, and you use tab water, the washing basin is not Najis.

Wassalam.