Anandakanda 1.4.102

1.4.102

kṣiptvāranālaṃ tridinaṃ kuryātparyuṣitaṃ yathā /
tasminnāgaṃ tu vidrāvya ḍhālayecchatadhā priye //

in sour gruel, one should let it stand for three days until stale. / In that [liquid], having melted lead, one should pour it a hundred times, O dear one;