Actually I just checked and I want to revise, the texture seem to be like a
mixture of sand and other stuff. It definitely feels like little granules.

It's overpriced kitty litter, I tell ya! g

Being lazy, I prefer substrates with less mess. But even people with
relatively low lighting can use this type of clay or soil-based substrates.
You might want to check out Diana Walstad's "Ecology of the Planted Aquarium."



Leigh

http://www.fortunecity.com/lavender/halloween/881/