If impurity falls into a pot and the water around it changes while the water beyond it does not, is it possible to purify ourselves with the water around it?

Question : And on this basis, if impurity falls into a pot and the water around it changes while the water beyond it does not, is it possible to scoop from the water that did not change?

Answer : And we purify ourselves with it because it is pure. Is that clear? Just as if the water were abundant, if the water were abundant, meaning more than two qullahs, if it did not reach two qullahs, then the water changed by the impurity is impure, and what is beyond it is pure. So if we say that a small amount of water does not become impure by contact, we say that what changed by the impurity from this small amount of water is impure, and what did not change is pure. Yes.