The Compendium of Caraka 3.7.26_3

3.7.26_3

tatastamavatārya śītībhūtamahatena vāsasā paripūya, śucau dṛḍhe kalaśe samāsicya, pidhānena pidhāya, śuklena vastrapaṭṭenāvacchādya, sūtreṇa subaddhaṃ suniguptaṃ nidhāpayet/

Then, having taken it down, strained it when cooled through an unwashed cloth, poured it into a clean, sturdy jar, covered it with a lid, draped it with a white cloth piece, and tied it securely with string, he should store it well concealed.