Where did the bulk sawdust come from? My BO switched from shavings years ago. Most bulk sawdust in Maine comes from a sawmill and the texture is rough and not dusty. She has had a deal with the same guy for years. Every once in a while there has been a shortage because they couldn’t fell many trees. Probably the winter weather
It sounds like the bagged stuff you are getting was designed for your guinea pigs or your bunny rabbits.