Aquascape Black Foam Waterfall Sealant - Net Weight 16oz (454g) Other brands only offer a 12oz can. You get 1/3 more foam with this product.
The fast new way to build a waterfall. Foam Seal is an expanding polyurethane foam that quickly seals gaps and spaces between rocks in ponds and waterfalls.
prevents water from flowing between and underneath rocks - dramatically increases amount of water flowing over top of the rocksUnobtrusive, natural look- no need to hide jointsGuaranteed 100% fish safeStays flexible in cold weatherEasy to use in water garden applications
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