Liturgy for Niddah 122:35
מאי תקנינהו
<b><i>MISHNAH</i></b>. SEVEN SUBSTANCES MUST BE APPLIED TO A STAIN:<span class="x" onmousemove="('comment',' If it is desired to ascertain whether it is blood or dye. ');"><sup>29</sup></span>
Seder Ma'amadot
Gemara (Niddah 61b:3)
Ask RabbiBookmarkShareCopy