I purchased the guano from a local grow shop by the lb outta a bin, have no idea brand name. I used 1lb per 1.5cu ft sack of soil. Had some tip burn on a few plants, otherwise no adverse effects.
Rootwise may know the brand bein sold, and I was amazed at the strength of it as well.
Rootwise may know the brand bein sold, and I was amazed at the strength of it as well.