Skanda Purana — Prabhasa Khanda, Shloka 30
भूतप्रेतपिशाचानां दोषः सद्यः प्रणश्यति । तेनोदकेन संस्पृष्टे सर्वं नश्यति दुष्कृतम्
bhūtapretapiśācānāṃ doṣaḥ sadyaḥ praṇaśyati | tenodakena saṃspṛṣṭe sarvaṃ naśyati duṣkṛtam
由部多、饿鬼与毗舍遮（bhūta、preta、piśāca）所致之祸患，立刻消灭；一经彼水触及，一切恶业尽皆涤除。
Pulastya (contextual)
Tirtha: Rūpatīrtha
Type: kund
Listener: Yayāti
Scene: A pilgrim is sprinkled with tirtha-water; dark, smoky forms of bhūta-preta-piśāca recoil and vanish; the water glows, and a ledger-like symbolism of ‘duṣkṛta’ dissolves into light.
FAQs
Contact with tīrtha-jala is framed as immediate purification—removing both unseen afflictions and moral stain (duṣkṛta).
Rūpatīrtha (Arbuda Khaṇḍa, Prabhāsa Khaṇḍa), whose water is said to dispel spirit-afflictions and sin.
Being touched by the tīrtha-water (sprinkling/ablution/contact) is implied as a purificatory practice.