Utilize Waterfall Foam Sealant to fill, insulate, and bond gaps between your rocks to form a water-resistant seal so your water flow is not interrupted. This is ideal for use when building a waterfall. This item was previously listed as model number WFFS.
- Foam sealant fills, insulates, and bonds gaps between your rocks to form a water-resistant seal so your water flow is not interrupted
- Cures within 12-24 hours of dispensing and adheres to all surfaces except those similar to Teflon™, silicone, and polyethylene
- Safe for all fish, plants, and wildlife
- Tip: use disposable gloves when applying the sealant