Reference for Niddah 4:41

מאן תנא חבית ר"ש היא דלגבי מקוה נמי ספקא משוי ליה

it was found to contain vinegar,<span class="x" onmousemove="('comment',' A liquid which (according to Rabbi, B.B. 84b) may not be used as terumah for wine. ');">³⁸</span>

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