How to clean musty smelling yarn?

[~*max*~]

I was given some really nice yarn from my MIL that belonged to her mother. It had been sitting for many years and now smells very musty. I started making a scarf for MIL, knowing she would really appreciate the fact that the yarn came from her mother. I planned to hand wash it or dry clean it once completed. However, the the mustiness gives me a bad headache whenever I work on it. I suspect mold, although the yarn looks & feels like new. One yarn is a Noro brand silk, mohair, lamb's wool mix. The other is a Berrocco brand nylon, wool, acrylic mix. I plan to leave it outside as much as I can to air it out. Does anyone have any other suggestions as to how to save this project? I won't be able to finish knitting it like this and fear I may just have to throw it out.

[feest]

it really would be better to wash after knit but if that's not an option re skein it and give it a good long bath or two in a good wool wash be careful not to adgitate and felt it up to much.
Goodluck

[~*max*~]

Thank you for the reply feest. Do you have a recommendation for a woolwash?

[MamaWolfe]

I use castille soap as a wool wash. You could also try adding a few drops of lavender oil to the wash, it will help kill any mold that might be there plus it smells nice.

[flapjack]

I'd give up on the acrylic, to be honest, and stick it in the dustbin. I've noticed that my silk garden smells a bit sheepy- actually a lot of my noro does. I'd follow feest's advice for how to wash.