When placed in groups they have maximum effect and plants really complement them. It's a finely detailed stone with many crevices and holes. These crevices are perfect for planting mosses and small plants. The rocks are most effective when used in groups to form the main foundation to your aquascape with plants placed around them.
The SR Aquaristik Black Lava Rock Aquascape Kit contains a minimum of three hand selected, precleaned, heat treated and wrapped stones, ideal for creating the ultimate Aquascape.