Seachem Reef Glue
It bonds within seconds and has excellent control, hold and durability characteristics. It can even be used underwater. Reef Glue can be used for any aquascaping in freshwater or saltwater aquariums or for any plastics repairs. This product comes in an aluminum tube for extended stability life beyond products contained in plastic bottles - it won't dry up in the tube. Reef Glue is an excellent addition to the Seachem line of products.
Directions...
Dispense a small amount of glue prior to each use. Apply a small amount of Reef Glue™ to one of the surfaces and press parts together for 20 seconds. Wipe tip free of glue before replacing the cap.
WARNING: Cyanoacrylate. Danger. Bonds skin and eyes in seconds. Keep out of the reach of children. Eye and skin irritant. If eye contact occurs, rinse with water for 5-10 minutes.