Does the bracha acharona on wine require a kezayis or a reviis?

BlessingsBrachotBracha Acharona

Synopsis

The Mechaber reports a doubt whether wine's bracha acharona requires only a kezayis (like food) or a full reviis (like other drinks). He advises not drinking between a kezayis and a reviis. The Magen Avraham clarifies the shiurim and advises what to avoid if one has already drunk a kezayis but not a reviis.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

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