Why gedolei Torah don’t wear tekheiles
Below is a fascinating letter written in 5776 by a chassidic posek, HaRav Menachem Mendel Shafran, cited by Rabbi Yitzchak Brand, which offers a clear explanation why gedolei Yisrael don't wear tekhelet.
HaRav Shafran writes that the evidence in support of Murex is highly convincing, yet for the past 200 years gedolei Yisrael have been...