The Aquascape® DIY Black Waterfall Foam is easy to use for the beginner or do-it-yourselfer. The black polyurethane waterfall foam is ideal for filling joints and gaps between rocks and boulders, maximizing the amount of water cascading over the waterfall and rushing down the stream.
Fish and plant safe
Easy application nozzle
Black color blends into waterfall
Quickly dries in 15-30 minutes
Use within 30 minutes.
Keep can tipped while using with straw applicator
When finished use rock dust to cover the black expanding foam