GREAT STUFF Pond & Stone 12 oz Insulating Foam Sealant

Black foam designed for use in water features, blending in with rocks and shadowsWater resistant sealant to help direct the flow of water in waterfall,pond, & streambed constructionFor use in landscaping as a foam filler, sealer and adhesiveApplication in damp or dry conditions; cures in 8 hoursSafe for fishGREAT STUFF Pond and Stone is the easy way to create beautiful aquascapes and hardscapes. By expanding to fill gaps and cracks, our foam filler helps direct the flow of water in waterfall, pond and streambed construction to the exterior of the water feature, instead of between or behind rocks.Brand: Great Stuff, Model: 283064, Color: Black, Size: Each