अष्टांगार्घो यमुद्दिष्टस्त्वतीव रवितोषणः । गांगैर्वार्भिः कोटिगुणो ज्ञेयो विष्णोऽन्यवारितः
aṣṭāṃgārgho yamuddiṣṭastvatīva ravitoṣaṇaḥ | gāṃgairvārbhiḥ koṭiguṇo jñeyo viṣṇo'nyavāritaḥ
अष्टाङ्गोऽर्घो यमुद्दिष्टोऽतीव रवितोषणः। गाङ्गैर्वार्भिः प्रदत्तस्तु कोटिगुणफलप्रदः—इति विष्णुरब्रवीत्॥
Skanda
Right ritual form joined to the sanctity of Gaṅgā water multiplies merit and pleases the deity profoundly.
Gaṅgā in Kāśī—Gaṅgā-jala is presented as uniquely potent for arghya and allied rites.
Offering the prescribed eightfold arghya to Sūrya, ideally using Gaṅgā water for greatly increased merit.