Flourish Glue Is A Superior Cyanoacrylate Gel For Attaching Moss And Plants To Rocks, Driftwood, And Even Gravel. ItS 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.