Complete Aquatics DIY Black Waterfall Foam, 16 Ounce Spray Can

Complete Aquatics DIY Black Waterfall Foam simplifies water feature and waterfall creation. This black expandable foam is ideal for sealing gaps between and under rocks to guide the water to the surface where it is more visible. This can is 16oz, rather than only 12oz like many competitors, and includes a unique trigger-style plastic straw dispenser.