Skandapurana 14.15.15

14.15.15

tarpitāḥ salilenaiva kiṃ punaḥ piṃḍadānataḥ ..
tasmātsarvaprayatnena snānaṃ tatra samācaret .. 15 ..

satiated with mere water, so how much more from the offering of rice-balls! / Therefore, with all effort, one should perform ritual ablution there.