Seachem Flourish Glue 8g

"Flourish 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 Flourish Glue™, plant as usual and
the plants stay rooted in the substrate. It bonds within seconds and
has excellent control, hold and durability characteristics. It can even be
used underwater. Flourish Glue™ can be used for any aquascaping in
freshwater or saltwater aquariums or for any plastics repairs. Flourish
Glue™ comes in an aluminum tube for extended stability beyond
products contained in plastic bottles - it won’t dry up in the tube."