A report from Abu Hanifa classifies used water as severely impure, with implications for clothing in discussions such as an amount beyond the dirham measure.
Whether the water can be used for wudu again and whether it is intrinsically impure are separate questions. This reported classification is not the only Hanafi view transmitted.
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Used Water: Definition, Ruling and Juristic Differences
A report from Abu Hanifa classifies used water as severely impure, with implications for clothing in discussions such as an amount beyond the dirham measure.
Whether the water can be used for wudu again and whether it is intrinsically impure are separate questions. This reported classification is not the only Hanafi view transmitted.