This aquarium safe glue is a superior cyanoacrylate gel for attaching moss and plants to rocks, driftwood, and even gravel. It’s uniquely useful when planting bunch plants. Simply apply glue to area and wait 1-2 minutes before attaching plant, this gives time for the bond to set. It bonds within seconds and has excellent control, hold and durability characteristics. It can even be used underwater. This glue can be used for any aquascaping in freshwater or saltwater aquariums or for any plastics repairs. comes in an aluminum tube for extended stability beyond products contained in plastic bottles - it won't dry up in the tube.