Half Off Ponds Waterfall Gun Foam – 12 Pack Black Expanding Pond Foam Sealant for Koi Ponds, Waterfalls & Landscape Rockwork – 24oz Polyurethane Can for Foam Gun – Outdoor Waterproof Gap Filler

Direct water exactly where you want it—over rocks, not under—by sealing gaps between stones with this professional-grade black expanding foam. Ideal for koi ponds, pondless waterfalls, and backyard streams.This 24oz...