Is the dung and urine of a frog ritually impure? And if it is impure, how do I purify it?

The waste of a frog is impure by consensus, like the waste of everything whose meat is not permissible to eat. The frog's meat is not permissible to eat according to the majority of scholars, and the preponderant opinion is that it is impure. Its urine, like other impurities, is purified [by washing].