How much Water for Mayim Acharonim?
Question: Are we just supposed to wash the tips of our fingers when washing mayim acharonim ? Answer: The Beis Yosef (OC 181:8) quotes Rabbeinu Bachye (Shulchan Shel Arba 1:1) who writes that there are thirteen differences between netilas yadayim for bread and mayim acharonim. One difference is that while one needs to wash all of one’s hands before eating bread, one only needs to wash one’s fingers for mayim acharonim. Nonetheless, he writes that we pasken like the Rashba (Torah Habayis 6:1 69a) who writes that one only needs to wash until the second joint of one’s fingers . The Beis Yosef (OC 181:8) lists another one of Rabbeinu Bachye’s differences. While one needs a revi’is for netilas yadayim , there is no specific shiur for how much water to use for mayim acharonim. The Kaf Hachaim (OC 181:6) writes that one should be particular to only use a few drops of water for Kabbalistic reasons. Likewise, it is commendable to remove the used water (ibid. 8). However, the A...