Um, you guys talking about blending your media, in the literal sense reminded me of this guy. These are industrial blenders, so the rocks wouldn't be an issue. He's blended iPods, wire,....I can't remember all of the things he has stuck in this blender. It always made me laugh, though. Oh, he blended an entire plate of a Thanksgiving meal...mmmm
Okay, enough on this.
Will It Blend? | Presented By Blendtec
I have found the best use of the fiber is support of smaller plants, like tolumnias, in their baskets. They don't tend to need a lot of water in my area of the world.