Skandapurana 1.4.11.131

1.4.11.131

..kaṃkaṇakṣepaṇam..
yatphalaṃ sarvatīrtheṣu sarvayajñaiśca yatphalam..
tatphalaṃ snānadānena mahīsāgarasaṃgame.. 13.131 ..

[Thus is] the throwing of the bracelet. / Whatever fruit is [gained] in all sacred fords, and whatever fruit by all sacrifices, / that fruit is obtained by ritual ablution and gift-giving at the confluence of the Mahī and the ocean.