There are two shi’urim on YU Torah (yutorah.org) that discuss techeiles. One is a shi’ur on if the techeiles is real techeiles or not. The second shi’ur is on the topic even if it’s only a safek, should we wear it anyways. It’s by R’ Aryeh Lebowitz in a category called “ten minute halacha” (each shi’ur is about 10 minutes). He brings arguments both ways but he is a talmid of R’ Schachter shlita and wears techeiles (R’ Schachter shlita wears techeiles also) so it might be a little biased towards wearing it.
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