Shiva Purana
अष्टमृत्सलिलैर्वाथ पञ्चमृत्सलिलैस्तथा ॥ लिङ्गं पिंडिकया सार्धं पञ्चगव्यैश्च शोधयेत् ॥ ६ ॥
He shall purify the Liṅga along with its axle or nave with a solution of eight or five types of clay as well as with Pañcagavya.
english translation
aSTamRtsalilairvAtha paJcamRtsalilaistathA ॥ liGgaM piMDikayA sArdhaM paJcagavyaizca zodhayet ॥ 6 ॥
hk transliteration by Sanscript