It may seem strange, but the cheaper ones tend to be non-porous. I was astounded with the way my crop turned out. Their class is obvious from the moment you start exploring the site, and they back up everything they do with delivery guarantees, germination guarantees, and a sympathetic, hard-working customer support crew.  Source: <a href=https://turkey.lrnglobal.org/laws-about-hashish-and-marijuana-seeds-trade-in-europe-and-ireland/>https://turkey.lrnglobal.org/laws-about-hashish-and-marijuana-seeds-trade-in-europe-and-ireland/</a>