Must the cup of blessing be completely full?
Synopsis
The cup should ideally be filled to the brim, but minimum requirement is that it contain a revi'it (quarter-log) of wine.
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Is washing and rinsing of the blessing cup required if the cup is already clean?
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Should wine be diluted (mixed with water) before reciting Birkat HaMazon?
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Must one search for an undamaged cup if a slightly damaged cup is available?
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Must one receive the blessing cup with both hands?
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How high must the cup be elevated from the ground or table?
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Must one maintain continuous focus on the cup during blessing?
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Should the blessing cup be shared with others such as family members?
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If a left-handed person is blessing, which hand should hold the cup?
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