I put some ACV in the water when washing my wool when she had yeast one time. I did it as a precaution but I don't really think it was necessary since wool is anti-microbial. I didn't do it the last time she had yeast and it still cleared up just fine.
: MM Dragon's Lair (2) + trim (1) on Uruguay 3-ply
includes Green Line, RagaBabe, BBB, Joey Bunz and more.