Maaseh Rav Siman 40
Can copy this into an AI, or connect the whole library to your assistant. For deeper learning, you can directly use the original seforim, sites, and apps.
וכמה מים יטיל למי רגלים רביעית ומהני אפילו לכמה פעמים ואם המי רגלים מועטים בטלים ברוב מים (עיין ש"ע שלו סי' ע"ז ס"ק ד'):
Sefaria Community Translation
[Translation in Progress] And how much liquid emerges (to be) urine? A fourth. And from here, even many times if the urine is less (than the water) it is nullified in the water (as it is the majority).