↑ Rashba Torah Bayit 6:2 that there’s no amount requirement, so says the Orchot Chaim Netilat Yadim 31, Kolbo 23 in name of Raavad. This is also the opinion of the Achronim such as Levush 181:7, Atret Zekinim 181:1, Shulchan Aruch Harav 181:4,Kaf Hachaim 181:4. The Mishna Brurah 181:19 says the practice of Gra was to use a Reviat, against the Chida Simchat Regel (Seder Birkat Hamazon) and Ben Ish Chai Shalach 8 who say one should use less water. Accordingly, says the Birur Halacha 181:13 if one’s hands are dirty one should first wash with intent that it’s not for Mayim Achronim and then rewash with intent with less water.
I'm confused, am I to understand there is a chumrah to use LESS water by mayim achronim? What is the Ben Ish Chai saying when he says 'SHOULD use less water'
It was written poorly. I apologize. Now it is fixed. Yes, the Ben Ish Chai holds that it is better to use as little water as possible.