Where do dry bubble or cobweb come from?
![](https://www.mushroomoffice.com/wp-content/uploads/2023/01/SWAP-scaled.jpg)
Look for spores?
Forget it – spores are so small they are invisible to the naked eye. A proven method is swabbing. How?
Look for spores?
Forget it – spores are so small they are invisible to the naked eye. A proven method is swabbing. How?