Skandapurana 15.43.4

15.43.4

śaṃkhodakaṃ tīrthavarādvariṣṭhaṃ pādodakaṃ tīrthavarādvariṣṭham..
naivedyaśeṣaṃ kratukoṭitulyaṃ nirmālyaśeṣaṃ vratadānatulyam .. 4 ..

Water from a conch is superior even to the best of sacred fords; water from [the Lord's] feet is superior even to the best of sacred fords; / the remnant of food offering equals ten million sacrifices; the remnant of floral offering equals vows and donations.