Water plant cultivation ceramics are a different, direct and easier form to place rootless plants in the aquarium, Saving the hard work in tie them up to rocks, Wood etc. Just put a little amount of These plants directly over the ceramic plate, Covering it with the metallic screen. All the Mosses and other rootless plants may be used, like java moss (taxiphyllum Barbieri) or crystalwort (ricin flu tans).