Dirshu Mishnah Berurah

Author: Moshe Zeidman

A page a day (amud yomi) of Mishnah Berurah explained and clarified following (roughly) the cycle of the Dirshu program for mastery of the laws of daily Jewish living. Master the text in under 30 minutes a day. For individual application of the laws you should consult with your local Orthodox Rabbi. Please subscribe to this podcast - you will be notified when each new session is uploaded and you will maximise your daily learning. For feedback or questions you can reach me on mztorahlearning@gmail.com.
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MB 319.12 – MB 319.14 – Filtering Wine, Pouring Dregs, and the Rules of Borer on Shabbos
Episode 283
Monday, 26 January, 2026

This episode continues the laws of Borer (selection and filtering) on Shabbos, focusing on filtering wine and water. It clarifies when filtering is permitted using non-designated items (like cloths or wicker baskets), when special filters may be used, and the limits placed to avoid weekday-style activity. The shiur explains the issue of raising a basket above a utensil, the concern of creating a “tent-like” structure, and the concept of shinui (making a recognizable change from weekday practice).It also covers prohibited methods of filtering, such as tightly stuffing straws or splinters into spouts, and the halachos of pouring wine from one vessel to another—especially when to stop to avoid separating wine from dregs. Finally, it reviews the core principles of Borer:Removing refuse from food is prohibitedUsing a כלי (filtering utensil) is prohibitedSeparating for later use is prohibitedPermitted selection must be immediate use, by hand, and removing the desired item from the undesired