My friend Jessie of Jessie at Home had a serious soot problem in her home office / studio a little while ago, and for cleaning it up she recommended Unicorn Fibre products. I was looking for a good product to use for blocking my projects anyway, so I thought I would give it a try. I didn’t know whether I wanted Fibre Wash or Fibre Rinse, so I asked, and they sent me a free sample pack. It included both the wash and the rinse, as well as the Power Scour. I didn’t use the Power Scour, and probably won’t need to in the near future. I don’t have pets or anything so my yarn is…