seeds found in bagweed, or your bricks, will grow out fine, if not too terribly old ... their potency however, is a mystery, until its finished ... a lot of time, money and effort down the drain, if its not that good ... it is valuable as a learning tool for your frst couple of grows, however ... make your mistakes with free bagseed, before you buy the good seeds ... contrary to common belief, the presence of seeds does not affect the potency, (at least, not to the point it's noticeable), the plant merely stops growing during its flowering cycle, it doesn't stop producing THC ... :smokin: