tag:blogger.com,1999:blog-3531793375319646297.post7820407192409492670..comments2010-05-01T10:04:52.599-07:00Comments on Growing Mushrooms at Home: FungusGnathttp://www.blogger.com/profile/02083352229039403684noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-3531793375319646297.post-17670653079509020422010-05-01T10:04:52.599-07:002010-05-01T10:04:52.599-07:00Are you sterilizing any of your material? Do you ...Are you sterilizing any of your material? Do you have a pressure cooker? Instead of screen, or hose, use Tyvek. It will allow gas exchange, but nothing else to pass through. You should be able to pick it up for free from the post office (Tyvek envelopes). It will stand up to sterilization, so put it on your jar before sterilization and you should not get contaminated materials unless you are introducing them on accident.tysonallchinnoreply@blogger.com