The Daf Yomi - In-depth practical case-study analyses derived directly from each day’s Daf. SANHEDRIN PEREK CHELEK daf 91 TECHELES IN HALACHA

INTRO WE HAVE THE RADZINER TINT FISH IN ITALY RAV HERZOG FISH AND THE NEW TECHELES FISH

Q:Why dosnt rov klal yisrael dye their tzitzis with these fish

A:It is asur to dye your tzitzis with dye not from cilazon Radziner dye is a problem b/c it fades we are not sure how dark it is supposed to be if we find proper fish/worm we dont know the spices to make the dye the Beis Halevi says the Rishonim had these fish and didnt use it