Hardscapers CS is a two-part kit that contains 2oz. of CoraScape Bonder Cyanoacrylate and 200 grams our CoraScaper Powder made from pulverized coralline-colored oolitic limestone. Also included is a curved-tip irrigation syringe to facilitate the application of the bonder. Aquarium hobbyists can use Hardscapers WS to bond dry rocks and quickly and easily form strong, solid, gravity-defying, amazing aquascapes with coralline colored limestone rocks.