Bi'ur ma'aserot

Bi'ur ma'aserot – don't miss the boat!
Most posekim hold that the time for bi'ur ma'aserot is the day before the seventh day of Pesach, but some hold that the deadline erev Pesach!
To account for all opinions at Beit Ha'otzar of Torah VeHa'aretz Institute, we perform bi'ur on erev Pesach and also on the last day of chol hamo'ed Pesach. What exactly is bi'ur ma'aserot?

See the clip here (don't forget to turn on English subtitles):
https://youtu.be/fxfc9r67hV4
Now you can actually take part in it. If you still haven't signed up, now's the time. We will perform the mitzvah in an exciting, mehudar way (Pesach 5782)
Only a few slots left! https://tickchak.co.il/27179