Hey guys n gals just read up on some info on some soil n earthworm castings from garden bloome blue ribbon package.info was from.the rev .........the mychorrhizal fungi in blue bag will activate when moistened. Also contas ins endomycorrhiza.....cut with earthworm cstings n perlite seems to work. Altho just seen the results in his articles in skunk but I believe its.part of his tlo style of growing....hope this helps when some one is low on funds but still needs qualuty sd oil ad affordable price....peace n chicken grease